UNIT 9A Inheritance and Selection Know what inheritance means Know what characteristics are Know that sexual reproduction needs two parents Know that animals and plants can be bred for their characteristics Know that sperm and egg are sex cells Identify some inherited characteristics Identify some characteristics that are caused by the environment I can describe sexual reproduction as the joining of two cells Know that sex cells are called gametes Identify some characteristics of animals or plants that are desirable in particular circumstances Know how sexual reproduction results in generic information being inherited from both parents Identify characteristics that are affected by genetics and environmental conditions Describe the process of selective breeding Know how desirable characteristics are passed on I can identify some issues related to the disadvantages of selective breeding I can describe how selective breeding can result in offspring with particular characteristics Know that asexual reproduction needs one parent Know that asexual reproduction produces clones
UNIT 9B Fit and Healthy Know what the word diet means Know that a drug is any chemical that changes how your body works Know what a foetus is Know what a balanced diet is Know what some effects of an unbalanced diet are Describe the effects of smoking on the lungs Know the effects of alcohol and other drugs on the body Describe the effects of smoking, alcohol and drugs on a developing foetus Know the effects of exercise on the body Know how the body uses the energy in food I can represent respiration as a word equation Describe a specific deficiency disease and what causes it Describe the effects of smoking, alcohol and drugs on specific organs Know how different body systems work together in a healthy individual Describe how cells in the respiratory system are adapted for their purpose Know that smoking and pollution damages these cells I can represent respiration as a symbol equation
UNIT 9C Plants and Photosynthesis & 9D Plants for Food Know that carbon dioxide is in the air Know that the sun is an energy source Know the parts of a plant Know what fertilisers are Know what plants need to grow Know that carbon dioxide and water are raw materials needed for photosynthesis Know that roots take in water Know that photosynthesis takes place in the leaves Know what the products of photosynthesis are Know which nutrients fertilisers provide Know what factors affect the growth of crops I can identify some organisms that compete for resources where crops are grown Know that roots are adapted to take in water Know how leaves are adapted for photosynthesis Know the word equation for photosynthesis Know the difference between photosynthesis and respiration I can describe how pesticides and weed killers affect the distribution of organisms, using my knowledge of food webs I can describe how plants compete with food crops I know how other animals compete with humans for food crops Know how leaf cells are adapted for photosynthesis Know how root cells are adapted for taking in water Know the symbol equation for photosynthesis Know how to compare and contrast photosynthesis and respiration I can relate crop production to pyramids of numbers I can explain some ways of achieving a balance between the demands of different communities within an environment Know how toxic materials can accumulate in a food chain
UNIT 9E Reactions of Metals and Metal Compounds Know that hydrogen is a gas Know some characteristics of metals Know that when metals are added to acids they react Know that when metals react with acids, hydrogen is produced Know that carbon dioxide is produced when acids react with metal carbonates I can describe the test for hydrogen I can describe the test for carbon dioxide Know that if a new material has been made, it is evidence that a chemical reaction has happened Know what happens when metal oxides react with acids Know what happens when acids react with alkalis I can show reactions as word equations Know general word equations for reactions of metals I can name some salts and describe a use for them Know how to represent chemical compounds by formulae I can put these formulae into symbol equations I can use my knowledge of reactions to make predictions about others
UNIT 9F Patterns of Reactivity I can describe characteristics of chemical reactions, e.g. fizzing Know some uses of metals Know what reactivity means I can describe how some metals react with water I can describe how some metals react with oxygen I can describe how some metals react with acids Know some common uses of metals I can link how a metal is used to its reactivity I can identify and describe similarities in chemical reactions I can identify differences in the reactivity of different metals Know how to explain some everyday uses and occurrences of metals and link it to their reactivity Know how to represent chemical reactions by word equations I can use the reactivity series to make predictions about the reactions of metals Know how to relate the reactivity of a metal to its uses Know how the metal occurs naturally Know when the metal was first extracted and used I can represent some reactions by symbol equations
UNIT 9F Patterns of Reactivity
UNIT 9G Environmental Chemistry & UNIT 9H Using Chemistry Know what pollution is Know what acid rain is Know that burning is a chemical reaction Know what a product is I can describe some of the effects of acid rain Know some of the effects of other forms of pollution Know why it is important to monitor and control pollution I can name some products produced by chemical reactions Know that burning is a chemical reaction that produces energy Know how to describe acid rain using chemical reactions Know how acid rain affects rocks, building materials and living things I can describe how air and water pollution are monitored Know how these types of pollution might be controlled I can distinguish between different environmental problems Know how to use the particle model to explain how mass is conserved during chemical reactions and other changes I can represent chemical reactions using word equations I can describe a variety of environmental issues and explain the implications of these I can explain observations where mass appears to be lost with the principle of conservation of mass I can represent some reactions by symbol equations
UNIT 9I Energy and Electricity Know what voltage is and how we measure it Know that high voltage is dangerous Know how to describe a useful energy transfer device, e.g. a kettle Know the different ways energy can be stored Be able to give some examples of energy changes Know where electricity is generated and how it gets to our home Know that different energy resources can generate electricity Describe some useful energy transfer devices Know that a working circuit needs a power supply Know that electricity generation can cause environmental problems Can give examples of how energy is wasted I can describe how electricity is generated by energy from fuels I can give some examples of how energy is transformed I can see energy transfer in a circuit by measuring voltage I know that voltage can originate from a chemical cell I can explain the dangers of high voltage circuits I can compare the energy consumption of different appliances I can recognise the effects of environmental pollution of burning fuels I can explain a circuit using voltage and energy changes I can recognise that even if energy is conserved in a system, some energy can be dissipated I can use power ratings to compare the cost of different electrical appliances I can link an electric generator to magnetic effects
UNIT 9J Gravity and Space I know that sun gives out light I know that the moon looks different at different times I know that there are other planets in space I know that gravity is a pulling force I know that the earth is spinning and that this makes the sun look as though it changes position I know that the moon takes approximately 28 days to orbit the earth I know that the moon looks different shapes because of how we see the reflection of the sun (on the moon) from the earth I know that the earth s axis is tilted I can list some of the uses of artificial satellites I know that the force of gravity depends on the mass of something I know that force is measured in Newtons I know that weight Is less on the moon because it has a smaller mass Level 5 I can explain what a day and a year are in terms of the earth s spin and orbit I know that earth is one of 9 planets orbiting the sun I know that gravity holds the planets and moon in their orbit I can explain why weight would be different on different planets by talking about gravity I can explain what effect distance has on gravity Level 6 I can relate the position of a planet in the solar system to the conditions on the planet and the length of time it takes to orbit the sun I can explain how gravity helps to keep artificial satellites in orbit I can calculate weight from information about the gravitational force
UNIT 9K Speeding Up Know what speed means Know how to change the speed of an object I can describe what streamlining is I can compare speeds of different objects Know how forces change movement I can give examples of streamlined objects I can identify the forces acting on an object Know that there is a relationship between speed, distance and time Know how to link forces that act on an object with its movement Know how streamlining lowers resistance to air and water Know that resistance increases with speed I can relate resistance and speed to the particle model I can apply the ideas of unbalanced and balanced forces to falling objects I can use the definition of speed in calculations and conversions from different units Know how to relate change in movement of an object to its mass and the forces acting on it I can use the particle theory to explain increased air resistance with speed
UNIT 9L Pressure and Moments Know what a lever is Know how a see-saw works I can describe how force can be spread out to lower pressure I can describe how force can be concentrated to increase pressure Know that increasing the length of the lever can increase the turning effect of a force I can give an example of this Know how to balance a see-saw I can summarise key ideas about pressure Know the relationship between force, area and pressure I can use this relationship when looking at solids, and within liquids and gases Know how to explain the action of levers I can describe the turning effect of a force and use the human skeleton as an example Know the principle of moments I can explain balance, using moments, and give examples, e.g. crane counterweight I can use the definition of pressure in calculations to explain how a range of devices operate Know how to relate hydrostatic pressure in liquids and gases to density Know how to apply the principle of moments to a range of situations (including levers)