Chemistry! Hooray!

Chemistry! Hooray!

Friday 9 November 2012

Grade 7 Homework Questions from Page 73

Key Concept Review

1.
Describe two ways in which human activity has had an impact on abiotic elements. How could these impacts affect the environment?

2.
How does recycling help solve some of the problems caused by the amount of waste produced by human activities?

3.
How could teens discard unwanted electronic equipment without having much or any impact on the environment?

4.
Explain why some environmental changes caused by humans cannot be
dealt with by the process of succession.

Connect Your Understanding

5.
Describe three ways in which your activities affect the environment. Are these effects positive or negative?

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