Science 7 - Unit 1 - Topics 1-4 Study Questions

Vocabulary to define, understand, and give examples where appropriate:

- habitat
- species
- producer
- consumer
- decomposer
- scavenger
- ecosystem
- biotic
- abiotic
- interaction
- chlorophyll
- photosynthesis
- by-product
- carnivore
- herbivore
- omnivore
- food chain
- water cycle
- evaporation
- condensation
- precipitation

Sample study questions:

1. What is meant by the term “seventh generation”? How can we help to ensure the survival of the seventh generation by our actions today?
2. List three beliefs held by the First Nations/Metis people of Saskatchewan regarding nature and the environment.
3. What happens, in scientific terms, to the body of an animal who dies in its natural habitat?
4. What are the six basic needs of all living things?
5. How can biotic and abiotic things interact with each other? Give at least 5 examples.
6. Explain how a puddle can be considered an ecosystem.
7. Draw 3 different food chains that have at least 4 steps in them (remember, they must always begin with a primary producer).
8. Describe how decomposers can be both beneficial and/or harmful to the environment/the human body.
9. What is photosynthesis? Draw a picture and describe in words how this process works.
10. How can human beings create and contribute water vapour to the atmosphere?
11. List 3 examples each of: carnivores, herbivores, omnivores.
12. Life on Earth would cease to exist without producers. Explain why, using as much detail as you can. Support your answer with examples.
13. What happens to the water that falls to the ground in the form of various types of precipitation (rain, snow, hail, etc.)? How is the water cycle completed?
14. List 5 biotic and 5 abiotic components of our classroom ecosystem.
15. What is the main purpose of photosynthesis? How do humans benefit from this process (at least 2 reasons)?