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Checkpoint Science Notes

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Published in: Biology | Science
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Living Thing Worksheet

Tan C / Kuching

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Qualification: Degree

Teaches: Mathematics, Physics, Science, Additional Math, Chemistry, Additional Maths

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  1. Year 7 Science NAM ENFORCEMENT TEST 1. What is air pollution? 2. Give 2 examples of harmful gases which cause the air pollution. 3. What causes acid rain? 4. How does the ozone layer protect us? 5. What is ozone hole? 6. What causes the ozone hole? 7. Explain how CFCs harm the ozone layer. Year 7 Science Unit 3 Living Things and Environment
  2. Year 7 Science NAM . Explain why it takes a very long time for the ozone layer to recover. 9. What is conservation? 10. Describe two reasons why we should not cut down forests. 11. What are fossil fuels? How they formed? 12. What is non-renewable enery resource? Name two example of non-renewable enery resource. 13. What is renewable enery resource? Name two example of non-renewable energy resource. Year 7 Science Unit 3 Living Things and Environment
  3. Year 7 Science NAM . The diagram shows a food chain. Grass Grasshopper Frog Python Eagle a) What do the arrows in the food chain show? b) Name the producer in this food chain. Explain why. c) Name the process carried out by the producer to make its own food. d) How many different consumers are there in this food chain? Year 7 Science Unit 3 Living Things and Environment

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