MIDDLE SCHOOL SCIENCE CURRICULUM GRADE 7: LIFE SCIENCE

Transcription

1 VALLEY CENTRAL SCHOOL DISTRICT 944 STATE ROUTE 17K MONTGOMERY, NY Telephone Number: (845) ext Fax Number: (845) MIDDLE SCHOOL SCIENCE CURRICULUM GRADE 7: LIFE SCIENCE DECEMBER 2010 Approved by the Board of Education January 10, 2011

2 GRADE: 7 LIFE SCIENCE UNIT: ECOLOGY (38 DAYS) STANDARD PS #2 Many of the phenomena that we observe on Earth involve interactions among components of air, water, and land. STANDARD LE #3 Individual organism and species change over time. LE # 7 Human decisions and activities have had a profound impact on the physical and living environment. LE #5 Organisms maintain a dynamic equilibrium that sustains life. LE # 6 Plants and animals depend on each other and their physical environments. KEY IDEAS PERFORMANCE INDICATORS SKILLS PACING RESOURCES 7.1a A population consists of all individuals of a species that are found together at a given place and time. Populations living in one place forma community. The community and the physical factors with which it interacts compose an ecosystem. 7.2a In ecosystems, balance is the result of interactions between community members and their environment. 7.1b Given Adequate resources and no disease or predator, populations increase. Lack of resources, habitat destruction, and other factors such as predation and climate limit the growth of certain populations in the ecosystem. 7.2c Overpopulation by any species impacts the environment due to the increased use of resources. Human activities can bring about environmental degradation through resource acquisition, urban growth, land-use, decisions, waste disposal, etc. Describe how living things, including humans, depend upon the living and nonliving environment for their survival. Describe the effects of environmental changes on humans and other populations. Students will see the impact of human activities on the world around them. 3 days Ecology and the Environment Chapter 1 GS 4,8 4 days Oh Deer Project Wild Graphing data project wild, Estimating Populations Labs Explore Learning Prairie Ecosystems United Streaming interactions World in a Bottle**

3 7.1c In all environments, organisms interact with one another in many ways. Relationships among organisms may be competitive, harmful, or beneficial. Some species have adapted to be dependent upon each other with the result that neither would survive without the other. 3.2a In all environments, organisms with similar needs may compete with one another for resources. interpret graphs based on predator prey. name the relationships between organisms GS 4,8 4 days Quick Frozen Critters Project Wild Good Buddies Project Wild Symbiosis puzzle 6.1a Energy flows through ecosystems in one direction, usually from the Sun, through producers to consumers and then to decomposers. This process may be visualized with food chains or energy pyramids. Students will be part of a food chain/web and be able to recognize the relationships in that structure. LES 7, GS8 3 days Ecology and the Environment Chapter 2 6.1b Food webs identify feeding relationships among producers, consumers, and decomposers in an ecosystem. 5.1 c All organisms require energy to survive. The amount of energy needed and the method for obtaining this energy vary among cells. Some use oxygen to release the energy in stored in food. 5.1d The methods for obtaining nutrients vary among organisms. Producers, such as green plants, use light energy to make their food. Consumers, such as animals, take in energy-rich food. 5.1e Herbivores obtain energy from plants. Carnivores obtain energy from animals. Omnivores obtain energy from both plants and animals. Decomposers, such as bacteria and fungi, obtain energy by consuming wastes and/or dead organisms. see the relationship between energy pyramid and food web. construct a food web/energy pyramid. define the nutritional niche of members of the food chain. Owl Pellets String activity Pond Study World in a Bottle** (used to show cycles, ecosystems, food chains, biotic and abiotic factors) 2 day United Streaming food chain/web NeoScience How is a food chain organized Mobiles/ models Explore learning Food chains

4 6.1c Matter is transferred from one organism to another and between organisms and their physical environment. 2.1j Water circulates through the atmosphere, lithosphere and hydrosphere in what is known as the water cycle. diagram the carbon dioxide oxygen, water and nitrogen cycles GS 8 2days Project Wet - Water cycle activity and essay World in a Bottle** United Streaming and diagrams Nitrogen cycle Explore Learning Plants and Snails 7.2b The environment may be altered through the activities of organisms. Alterations are sometimes abrupt. Some species may replace others over time, resulting in long term gradual changes (ecological succession). distinguish between primary and secondary succession. identify succession stages. GS 4,7 1 day 6 Plants and animals depend on each other and their physical environment. 5.1a Animals and plants have a great variety of body plans and internal structures that contribute to their ability to maintain a balanced condition. 5.1b An organisms overall body plan and its environment determine the way that the organism carries out the life processes. identify the adaptations of different organisms including plants and animals. identify the terrestrial biomes of the earth and define what kind of organisms live there LES 9 2 days 5 days United Streaming - biome Project Wild Adaptations Artistry Biome PowerPoint Biome box Biome mobile Biome mural/ presentation 5.1g The survival of an organism depends on its ability to sense and respond to its external environment.

5 3.1b Changes in environmental conditions can affect the survival of individual organisms with a particular trait. Small differences between parents and offspring can accumulate in successive generations so that descendants are very different from their ancestors. Individual organisms with certain traits are more likely to survive and have offspring than individuals without those traits. 3.2d Although the time needed for change in a species is usually great, some species of insects and bacteria have undergone significant change in just a few years. Students will understand the idea of natural selection and evolution. Students will be introduced to the change in the peppered moth 3 days Peppered moth activity Explore Learning Natural Selection 7.1e The environment may contain dangerous levels of substances (pollutants) that are harmful to organisms. Therefore, the good health of environments and individuals requires the monitoring of soil, air, and water, and taking steps to keep them safe. identify sources of pollution. test water/soil for chemicals and see the effect. GS 8,9 5 days Eco and Environment 3,4,5 Project Aquatic Wild/Wet A grave mistake Cholera Ground water model with point source pollution Children s book on pollution 7.2c Overpopulation by any species impacts the environment due to the increased use of resources. Human activities can bring about environmental degradation through resource acquisition, urban growth, land-use decisions, waste disposal, etc. 3.2b Extinction of a species occurs when the environment changes and the adaptive characteristics of a species are insufficient to permit its survival. Extinction of species is common. Fossils are evidence that a great variety of species existed in the past. see how human land use can impact the organisms in an area Students will understand the importance of biodiversity. Students will understand how organisms became extinct and how scientists know they once existed. 1 day Bird population 1 day

6 3.2c Many thousands of layers of sedimentary rock provide evidence for the long history of Earth and for the long history of changing lifeforms whose remains are found in the rocks. Recently deposited rock layers are more likely to contain fossils resembling existing species. 7.2d Since the Industrial Revolution, human activities have resulted in major pollution of air, water, and soil. Pollution has cumulative ecological effects such as acid rain, global warming, or ozone depletion. The survival of living things on our planet depends on the conservation and protection of Earths resources. Students will understand the impact that humans have on the environment. Students will see that human action can be either positive or negative. 5 days Alternative Energy Webquest Power Up Internet Activity Solar House Green Energy Video Writing prompt

7 GRADE: 7 LIFE SCIENCE UNIT: CELLS, PROCESSES AND DIVISION INCLUDING MICROSCOPES AND MEASUREMENT (16) DAYS STANDARD LE 1 LE 2 Living things are both similar to and different from each other and from non-living things. Organisms inherit genetic information in a variety of ways that result in continuity of structure and function between parents and offspring. LE 4 The continuity of life is sustained through reproduction and development. LE 5 Organisms maintain a dynamic equilibrium that sustains life. LE 6 Plants and animals depend on each other and their physical environments. KEY IDEAS PERFORMANCE INDICATORS SKILLS PACING RESOURCES 1.1a Living things are composed of cells. Cells provide structure and carry on major functions to sustain life. Cells are usually microscopic in size. 1.1b The way in which cells function is similar in all living things. Cells grow and divide, producing more cells. Cells take in nutrients, which they use to provide energy for the work that cells do and to make materials that a cell or an organism needs. 1.1c Most cells have cell membranes, genetic material, and cytoplasm. Some cells have a cell wall and/or chloroplasts. Many cells have a nucleus. Students will be able to diagram a cell. Students will be able to identify the parts of a cell Students will be able to use a microscope and locate cells. These will be drawn, labeled and measured GS 5 8 days Cells and Heredity Chapters 1 LS 1,2,3,4,. Cell Movie Teachers Video Cell DVD Intro to microscope lab Measuring under a microscope labs Plant/Animal cell lab Explore Learning The parts of a cell Cell travel brochure Cell model

8 6.2a Photosynthesis is carried on by green plants and other organisms containing chlorophyll. In this process, the Sun s energy is converted into and stored as chemical energy in the form of a sugar. The quantity of sugar molecules increases in green plants during photosynthesis in the presence of sunlight. 6.2b The major source of atmospheric oxygen is photosynthesis. Carbon dioxide is removed from the atmosphere and oxygen is released during photosynthesis. The learner will be able to describe the process of photosynthesis. The learner will be able to identify the raw materials and products of photosynthesis. The learner will be able to see how photosynthesis is important to all living things. GS 7,8 LS 9 4 days Cells to Heredity Chapter 2 Elodea Bromethymol Blue lab phenol red Chromatography lab Photosynthesis DVD Explore Learning Photosynthesis and Respiration 6.2c Green plants are the producers of food which is used directly or indirectly by consumers. The learner will be able to be able to describe the process of respiration. 5.1c All organisms require energy to survive. The amount of energy needed and the method for obtaining this energy vary among cells. Some cells use oxygen to release the energy stored food. The learner will see how respiration and photosynthesis are opposite reactions 5.2a Food provides molecules that serve as fuel and building material for all organisms. All living things, including food, using it to carry on their life processes.

9 2. 1d In asexual reproduction, all the genes come from a single parent. Asexually produced offspring are genetically identical to either parent. 4.4b In one type of cell division, chromosomes are duplicated and then separated into two identical and complete sets to be passed to each of the two resulting cells. In this type of cell division, the heredity information is identical in all the cells that result. 1.1b SEE ABOVE 4.4 Cancers are a result of abnormal cell division. The learner will understand the cell cycle and name its parts. Students will be able describe how cancer occurs 2 day Cells to Heredity Chapter 2-3 Mitosis worksheet discovery.com Mitosis Cytokinesis Explore Learning How do cells make more cells? Mitosis pipe cleaner lab 2 day Prentice Hall Cells and Heredity 2-4 Cancer research Leukemia / Lymphoma intro

10 GRADE: 7 LIFE SCIENCE UNIT: GENETICS ( 14 DAYS) STANDARD LE 2 Organisms inherit genetic information in a variety of ways that result in continuity of structure and function between parents and offspring. LE 3 Individual organisms and species change over time. LE 4 The continuity of life is sustained through reproduction and development. KEY IDEAS PERFORMANCE INDICATORS SKILLS PACING RESOURCES 2.1a Heredity information is contained in genes. Genes are composed of DNA that makes up the chromosomes of cells. 2.1b Each gene carries a single unit of information. A single inherited trait of an individual can be determined by one pair or by many pairs of genes. A human cell contains thousands of different genes. Students will be able to diagram a chromosome with genes and DNA. 1 day Cells and Heredity 3 Cracking the code of life video 4.4c Another type of cell division account for the production of egg and sperm cells in sexually reproducing organisms. The eggs and sperm resulting from this type of cell division contain one half of the heredity information. 4.2a The male sex cell is the sperm. The female sex cell is the egg. The fertilization of an egg by a sperm results in a fertilized egg. 4.2b In sexual reproduction, sperm and egg each carry one half of the genetic information for the new individual. Therefore, the fertilized egg contains genetic information from each parent. 2.1e In sexual reproduction typically half of the genes come from each parent. Sexually produced offspring are not identical to either parent. Students will be able to diagram meiosis. Students will be able to identify the male and female sex cells. 2 day Cells and Heredity Per 3 Pipe cleaner lab United Streaming sexual reproduction video

11 2.2a In all organisms, genetic traits are passed on from generation to generation. 2.2b Some genes are dominant and some are recessive. Some traits are inherited by mechanisms other than dominance and recessisveness. 2.2c The probability of traits being expressed can be determined by using model of genetic inheritance. Some models of prediction are pedigree charts and Punnett squares. Students will be able to use Punnett square and pedigree to predict outcome of genetic crosses LS 5 6 days Cells and Heredity 3 Class survey Make the right call Paper Pet Dragon Genetics Punnett square lab Designing experiments the living environment pg hypothesis 2.1c Each human cell contains a copy of all the genes needed to produce a human being. 3.1a The processes of sexual reproduction and mutation have given rise to a variety of traits within a species. Students will recognize that each cell has an equal number of chromosomses. 5 days Cells and Heredity 4.3, chap 5 Making Pedigree Family Puzzles

12 GRADE: 7 LIFE SCIENCE UNIT: DIVERSITY OF LIFE (37 DAYS) STANDARD 1 LE KEY IDEA STANDARD 4 LE KEY IDEA STANDARD 4 LE KEY IDEA STANDARD 4 LE KEY IDEA STANDARD 4 LE KEY IDEA STANDARD 4 LE KEY IDEA 3 The observations made while testing proposed explanations, when analyzed using conventional and invented methods, provide new insights into phenomena. 1 Living things are both similar to and different from each other and from nonliving things. 4 The continuity of life is sustained through reproduction and development. 5 Organisms maintain a dynamic equilibrium that sustains life. 6 Plants and animals depend on each other and their physical environment. 7 Human decisions and activities have had a profound impact on the physical and living environment KEY IDEAS PERFORMANCE INDICATORS SKILLS PACING RESOURCES 1.1d Some organisms are single cells; others, including humans, are multicellular. 1.1g Multicellular animals often have similar organs and specialized systems for carrying out major life activities. 4.1a Some organisms reproduce asexually. Other organisms reproduce sexually. Some organisms can reproduce both sexually and asexually 5.1f Regulation of an organism s internal environment involves sensing the internal environment and changing physiological activities to keep conditions within the range required for survival. Regulation includes a variety of nervous and hormonal feedback systems. The learner will understand the characteristics that define life. The learner will be able to distinguish between the kingdoms and understand what characteristics define each group. The learner will be able to use and create a dichotomous key. GS 6 LE 6,9 1 days Diverstiy of Life Chap 1 Is it Alive Smartboard 5.1g The survival of an organism depends on its ability to sense and respond to its external environment.

13 1.1h Living things are classified by shared characteristics on the cellular and organism level. In classifying organisms, biologists consider details of internal and external structures. Biological classification systems are arranged from general (kingdom) to specific (species). The learner will be aware of the levels of classification and how they are used to sort and study organisms. 6 days Diversity of Life Chap 1 Quoze lab Dichotomous key activities Design a key lab 7.1d Some microorganisms are essential to the survival of other living things. 1.1b The way in which cells function is similar in all living things. Cells grow and divide, producing more cells. Cells take in nutrients, which they use to provide energy for the work that cells do and to make materials that a cell or an organism needs. The learner will be aware the characteristics of the simplest living things. GS 3,2 LE 1,2,3,4 10 days Diversity of Life Chap 2 Virus DVD Bacteria swab lab Bacteria DVD Disease spread Live Protist Lab Measuring under Microscope 1.1c Most cells have cell membranes, genetic material, and cytoplasm. Some cells have a cell wall and/or chloroplasts. Many cells have a nucleus. 1.1d Some organisms are single cells; others, including humans, are multicellular 1.1f Many plants have roots, stems, leaves and reproductive structures. These organized groups of tissues are responsible for a plant s life activities. 4.1c Methods of sexual reproduction depend upon the species. All methods involve the merging of sex cells to begin the development of a new individual. In many species, including plants and humans, eggs and sperm are produced. identify the parts of a plant and a flower. Students will characterize the plant group. LE 3, 4 LE 9 GS3,4 LE 6 5 days Diversity of Life Chap 3 Plant cell lab Onion skin Smart board Parts of seed Parts of Leaf Seed sort dichotomous key Magic School Bus goes to seed Flower dissection Explore learning - - Pollination -Fertilization

14 6.2a Photosynthesis is carried on by green plants and other organisms containing chlorophyll. In this process, the Sun s energy is converted into and stored as chemical energy in the form of a sugar. The quantity of sugar molecules increases in green plants during photosynthesis in the presence of sunlight. Si.1Formulate questions independently with the aid of reference appropriate for guiding the search for explanations of everyday observations. S1.1a formulate questions about natural phenomenon S1.1b identify appropriate references to investigate a question. S1.1c Refine and clarify questions so that they are subject to scientific investigation. S1.2 Construct explanations independently for natural phenomena, especially by proposing preliminary visual models of phenomena. S1.2a independently formulate a hypothesis S1.2b propose a model of a natural phenomenon S1.2c differentiate among observations, inferences, predictions, and explanations S1.3 Represent, present, and defend their proposed explanations of everyday observations so that they can be understood and assessed by others. S1.4 Seek to clarify, to assess critically, and to reconcile with their own thinking the ideas presented by others, including peers, teachers, authors, and scientists. The learner will write and conduct their own experiment based on a hypothesis they create after learning about plants. The learner will present a full lab report at the end of their experiment including: Problem Hypothesis Variables Procedure Data with table and graph Conclusion. 1 day Photosynthesis video 4 days Plant experiment

15 S3.1 Design charts, tables, graphs, and other representations of observations in conventional and creative ways to help them address their research question or hypothesis. S3.1a organize results, using appropriate graphs, diagrams, data tables, and other models to show relationships S3.1b generate and use scales, create legends, and appropriately label axes S3.2 Interpret the organized data to answer the research question or hypothesis and to gain insight into the problem. S3.2a accurately describe the procedures used and the data gathered S3.2b identify sources of error and the limitations of data collected S3.2c evaluate the original hypothesis in light of the data S3.2d formulate and defend explanations and conclusions as they relate to scientific phenomena S3.2e form and defend a logical argument about cause-andeffect relationships in an investigation S3.2f make predictions based on experimental data S3.2g suggest improvements and recommendations for further studying S3.2h use and interpret graphs and data tables S3.3 Modify their personal understanding of phenomena based on evaluation of their hypothesis.

16 1.1g Multicellular animals often have similar organs and specialized systems for carrying out major life activities. 1.1h Living things are classified by shared characteristics on the cellular and organism level. In classifying organisms, biologists consider details of internal and external structures. Biological classification systems are arranged from general (kingdom) to specific (species) 4.1a Some organisms reproduce asexually. Other organisms reproduce sexually. Some organisms can reproduce both sexually and asexually. 4.1b There are many methods of asexual reproduction, including division of a cell into two cells, or separation of part of an animal or plant from the parent, resulting in the growth of another individual. 4.1c Methods of sexual reproduction depend upon the species. All methods involve the merging of sex cells to begin the development of a new individual. In many species, including plants and humans, eggs and sperm are produced. 4.1d Fertilization and/or development in organisms may be internal or external. 4.3c Various body structures and functions change as an organism goes through its life cycle. 4.3d Patterns of development vary among animals. In some species the young resemble the adult, while in others they do not. Some insects and amphibians undergo metamorphosis as they mature. 4.3f As an individual organism ages, various body structures and functions change The learner will be able to identify the diversity that exists within the animal kingdom. The learner will see how classification in a kingdom shows both similarities and differences The learner will understand that animals differ in how they reproduce. 10 days Diverstiy of Life Chap 4 Sample Jars Invertebrate Dichotomous Key Animal Classification DVD Report/video on invertebrate phyla Invertebrate Phyla DVD Isopod Activity Invertebrate Wheel Vertebrate groups study

17 5.1a Animals and plants have a great variety of body plans and internal structures that contribute to their ability to maintain a balanced condition. 5.1b An organism s overall body plan and its environment determine the way that the organism carries out the life functions change as an organism goes through its life cycle.

18 GRADE: 7 LIFE SCIENCE UNIT: HUMAN BODY (25 DAYS) STANDARD 4 LE KEY IDEA STANDARD 4 LE KEY IDEA 1 Living things are both similar to and different from each other and from nonliving things. 5 The continuity of life is sustained through reproduction and development. KEY IDEAS PERFORMANCE INDICATORS SKILLS PACIN G RESOURCES 1.1e Cells are organized for more effective functioning in multicellular organisms. Levels of organization for structure and function of a multicellular organism include cells, tissues, organs, and organ systems. 1.2a Each system is composed of organs and tissues which perform specific functions and interact with each other, e.g., digestion, gas exchange, excretion, circulation, locomotion, control, coordination, reproduction, and protection from disease. The learner will be able to identify the levels of organization in a human. The learner will be able to identify the systems of the human body and their functions. 2 days Human Body Chapter 1 Body models Body system puzzle Human Body Cell lab 1.2b Tissues, organs, and organ systems help to provide all cells with nutrients, oxygen and waste removal 1.2c The digestive system consists of organs that are responsible for the mechanical and chemical breakdown of food. The breakdown process results in molecules that can be absorbed and transported to cells. The learner will be able to identify the parts and functions of the digestive system. The learner will be able to identify mechanical and chemical digestion. The learner will be able to identify the processes of digestion, absorption and elimination 6 days Human Body Chap 3 Smartboard digestion Diagrams Magic School bus 5.2b Foods contain a variety of substances, which include carbohydrates, fats, vitamins, proteins, minerals, and water. Each substance is vital to the survival of the organism.

19 5.2c Metabolism is the sum of all chemical reactions in an organism. Metabolism can be influenced by hormones, exercise, diet, and aging. 5.2d Energy in foods is measured in Calories. The total caloric value of each type of food varies. The number of Calories a person requires varies from person to person. 5.2e In order to maintain a balanced state, all organisms have a minimum daily intake of each type of nutrient based on species, size, age, sex, activity, etc. An imbalance in any of the nutrients might result in weight gain, weight loss, or a diseased state. 1.2d During respiration, cells use oxygen to release the energy stored in food. The respiratory system supplies oxygen and removes carbon dioxide (gas exchange). 3 days Human Body Chap 5 National Geographic Video Breathing in a bag Lung model 1.2e The excretory system functions in the disposal of dissolved waste molecules, the elimination of liquid and gaseous wastes, and the removal of excess heat energy. 1.2f The circulatory system moves substances to and from cells, where they are needed or produced, responding to changing demands. The learner will be able to identify the functions of the skeletal and muscular systems. 4 days Human Body Chap 4 Pasco Healthbeat/Heartbeat Explore Learning Circ. Sys. Circulatory system video Magic School Bus video National Geographic Standard Deviation Circulatory System video 1.2g Locomotion, necessary to escape danger, obtain food and shelter, and reproduce, is accomplished by the interaction of the skeletal and muscular systems, and coordinated by the nervous system. The learner will be able to identify the parts and functions of the nervous system. 1 day Human Body Chap2 Magic School Bus

20 1.2h The nervous and endocrine systems interact to control and coordinate the body s responses to changes in the environment, and to regulate growth, development, and reproduction. Hormones are chemicals produced by the endocrine system; hormones regulate many body functions. The learner will understand the function of the endocrine glands. 4 days Human Body Chapter 7-8 Bill Nye The Brain video Standard Deviants The Nervous System 1.2i The male and female reproduction systems are responsible for producing sex cells necessary for the production of offspring. The learner will understand how human reproduction takes place. 1 day Human Body Chapter 8 United Streaming video 1.2j Disease breaks down the structures or functions of an organism. Some diseases are the result of failures of the system. Other diseases are the result of damage by infection from other organisms (germ theory). Specialized cells protect the body from infectious disease. The chemicals they produce identify and destroy microbes that enter the body. The learner will be able to identify the causes of disease and the affects they have on the body. 3 days Human Body Chapter 6 Microbe webquest Clever catch ball 5.2f Contraction of infectious disease, and personal behaviors such as use of toxic substances and some dietary habits, may interfere with one s dynamic equilibrium. During pregnancy these conditions may also affect the development of the child. Some effects of these conditions are immediate; others may not appear for many years.

21 GRADE: 7 LIFE SCIENCE UNIT: SCIENTIFIC INQUIRY (15*** DAYS) *** This unit starts in the beginning of the year with safety and introductory problem solving and then is integrated into the content throughout the year. STANDARD 1 KEY IDEA SI STANDARD 1 KEY IDEA SI STANDARD 1 KEY IDEA SI 1 The central purpose of scientific inquiry is to develop explanations of natural phenomenon in a continuing creative process. 2 Beyond the use of reasoning and consensus, scientific inquiry involves the testing of proposed explanations involving the use of conventional techniques and procedures and usually requiring considerable ingenuity. 3 The observations made while testing proposed explanations, when analyzed using conventional and invented methods, provide new insights into phenomenon. KEY IDEAS PERFORMANCE INDICATORS SKILLS PACING RESOURCES Si.1Formulate questions independently with the aid of reference appropriate for guiding the search for explanations of everyday observations. S1.1a Formulate questions about natural phenomenon S1.1b Identify appropriate references to investigate a question. S1.1c Refine and clarify questions so that they are subject to scientific investigation. S1.2 Construct explanations independently for natural phenomena, especially by proposing preliminary visual models of phenomena. The learner will be able to create a question or problem to be solved scientifically. Journal entries. Making observations

22 S1.2a independently formulate a hypothesis S1.2b propose a model of a natural phenomenon S1.2c differentiate among observations, inferences, predictions, and explanations S1.3 Represent, present, and defend their proposed explanations of everyday observations so that they can be understood and assessed by others. S1.4 Seek to clarify, to assess critically, and to reconcile with their own thinking the ideas presented by others, including peers, teachers, authors, and scientists. S2.1 Use conventional techniques and those of their own design to make further observations and refine their explanations, guided by a need for more information. S2.1a demonstrate appropriate safety techniques S2.1b conduct an experiment designed by others S2.1c design and conduct an experiment to test a hypothesis S2.1d use appropriate tools and conventional techniques to solve problems about the natural world, including: measuring observing describing classifying sequencing The learner will be able to create a valid hypothesis. The learner will be able to differentiate the among observations, inferences, predictions, and explanations The learner will understand how to collect data that correlates to their question. The learner will look at 2 sides of an issue. The learner will be familiar will lab safety and safety equipment in the classroom. The learner will understand how to follow a procedure and collect data to use in their conclusions. The learner will be able to design and carry out individual labs. Journal entries How Scientists do Science Kit. Used in experiments throughout the yr. Worksheets Journal scenarios. Data collection Data tables/graphs Environmental issues Genetic engineering Lab safety video Safety contract In class labs Inquiry labs

23 S2.2 Develop, present, and defend formal research proposals for testing their own explanations of common phenomena, including ways of obtaining needed observations and ways of conducting simple controlled experiments. S2.2a include appropriate safety procedures S2.2b design scientific investigations (e.g., observing, describing, and comparing; collecting samples; seeking more information, conducting a controlled experiment; discovering new objects or phenomena; making models) S2.2c design a simple controlled experiment S2.2d identify independent variables (manipulated), dependent variables (responding), and constants in a simple controlled experiment S2.2e choose appropriate sample size and number of trials S2.3 Carry out their research proposals, recording observations and measurements (e.g., lab notes, audiotape, computer disk, videotape) to help assess the explanation. S2.3a use appropriate safety procedures S2.3b conduct a scientific investigation S2.3c collect quantitative and qualitative data S3.1 Design charts, tables, graphs, and other representations of observations in conventional and creative ways to help them address their research question or hypothesis. The learner will design and carry out their own experiment. The learner will be able to design a data table and graph to share their information. Plant Lab Apply It in text Lab work

24 S3.1a organize results, using appropriate graphs, diagrams, data tables, and other models to show relationships S3.1b generate and use scales, create legends, and appropriately label axes S3.2 Interpret the organized data to answer the research question or hypothesis and to gain insight into the problem. S3.2a accurately describe the procedures used and the data gathered S3.2b identify sources of error and the limitations of data collected S3.2c evaluate the original hypothesis in light of the data S3.2d formulate and defend explanations and conclusions as they relate to scientific phenomena S3.2e form and defend a logical argument about cause-andeffect relationships in an investigation S3.2f make predictions based on experimental data S3.2g suggest improvements and recommendations for further studying S3.2h use and interpret graphs and data tables S3.3 Modify their personal understanding of phenomena based on evaluation of their hypothesis. The learner will be able to draw conclusions from the original problem and data collected. Lab work Journals Apply It