Unit C Section 3: Chemicals in the Environment

Learning Targets

Big Question: How are chemicals spread in the environment?

Earth has many systems and processes that move substances from place to place; this is natural, and makes Earth such a perfect place for life. However, pollutants can also move in these systems, and their effects can be felt over large area for very long periods of time.

Inquiry Questions

3.8:  How are materials transported through air, soil and water?
3.9:  How can harmful chemicals become less dangerous to the environment?
4.0:  How can hazardous chemicals affect living organisms?
4.1:  How can I ensure that people and animals living in my home are not harmed by household chemicals?

Section 3 Checklist

Read pages 237 to 257 in the textbook
Self-checks at the end of lessons 8 to 11
Try It! Biodegradable Practice Worksheet
Try It! Biomagnification Practice Worksheet
Summative assessment: Section 3 Quiz

Materials

Addison Wesley Science in Action 9