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1 Name: Your test is on and covers the following topics: Material World Characteristic Properties States of Matter & Phase Changes Mass & Volume Acids and Bases Chemical and Physical Changes Pure Substances & Mixtures Separation of Mixtures Atoms and Elements Molecules Living World Taxonomy Habitat & Ecological Niche Adaptations Food Chains Natural Selection & Evolution Genes Plant Cell Animal Cell Photosynthesis & Cellular Respiration 1. Adaptations enable animals and plants to improve their chance of. a) Sleeping b) Hunting c) Survival d) Fail 2. What is the purpose of taxonomy? a) To help animals survive b) To classify living organisms c) To classify chemical substances d) To organize the elements 3. Which of the following correctly identifies cellular inputs and outputs? Cellular Inputs Cellular Outputs a) Energy & Nutrients Waste b) Waste Energy & Nutrients c) Nutrients Energy & Waste d) Energy Nutrients & Waste
2 4. Are the following examples of physical or behavioural adaptations? Fur colour of a species matches the environment Ducks have webbed feet to help them swim. Opossums play dead to confuse predators Birds migrate in winter to get food all year. Plants grow towards the sunlight to capture more. Hawks have sharp claws to help them catch and kill their prey. Physical Adaptations Behavioural Adaptations 5. What are some ways we can determine if living organisms are in the same species? 6. Name three characteristics that define a habitat. 7. What is an ecological niche? 8. In a food chain, what is the role of each of the following? a) The producers: b) The decomposers: c) The consumers:
3 9. If mice eat grasshoppers, why is the arrow pointing from the grasshopper to the mouse in the following food chain? 10. What s the difference between evolution and natural selection? 11. Where in the cell are genes located? 12. Label the parts of a plant cell below:
4 13. Describe the role of the following: A) Nucleus: B) Vacuoles: C) Cytoplasm: D) Cell Membrane: 14. In regards to photosynthesis, a) What are the inputs? b) What are the outputs? 15. In regards to cellular respiration, a) What are the inputs? c) What are the outputs?
5 1. Classify the following as acids, bases or neutral solutions: a) Soap: b) Lemon Juice: c) Distilled water: d) Solution with a ph of 6: e) Solution that turns red litmus paper blue, and blue litmus paper stays blue: f) Solution with a ph of 7.5: g) Solution with a ph of 12: h) Solution with a sour taste: i) Solution with a ph of 7: 2. What s the difference between mass and volume? 3. What are four signs that indicate that a chemical change has occurred? 4. What is the benefit of using universal indicator paper over litmus paper?
6 5. Place check marks to indicate whether the following are characteristic properties or not. Freezing Point DNA Hair Colour Shoe size Mass Fingerprint Characteristic Property Non- Characteristic Property 6. Fill in the phase changes of matter in the table below: 7. What are some differences between a physical change and a chemical change?
7 8. What are the four methods used to separate mixtures? 9. If atoms are like the letters of the alphabet, how are molecules like words? 10. Are the following examples of heterogeneous mixtures or homogenous mixtures? Chocolate Milk Apple Juice All Dressed Pizza Blood Orange Juice with pulp in it Chicken Noodle Soup Earth Heterogeneous Mixture Homogeneous Mixture 11. Are the following examples of elements or compounds? Nitrogen (N) Water (H 2 O) Carbon Dioxide (CO 2 ) Neon (Ne) Hydrochloric Acid (HCl) Argon (Ar) Elements Compounds 12. How could you measure the volume of an apple?
8 13. How would you go about separating the components of the following liquids? 1. Beaker A has a heterogenous mixture in it. You can clearly see brown particles suspended in it. You also see a deposit at the bottom of the mixture. 2. Beaker B contains a blue solution. There are no visible particles. 3. Beaker C has a heterogenous mixture in it. The suspended particles are very fine. There is no visible deposit at the bottom of the beaker. 14. A student places a drop of an unknown solution on red litmus paper. The paper does not change colour. What can she conclude about the solution? Check your answers at
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