1. Changes Affect Living Things
Lesson 2 Chapter 4
Changes Affect Living Things

2. Vocabulary to know
Flood
Drought
Population
Community
endangered

3. Flood vs Drought
Flood happens when dry land becomes covered with water
Drought happens when there is no rain for a long period of time

4. Flood How does a flood change an environment?
It washes away soil, plants, homes of animals

5. Drought What happens when an environment experiences drought?
No rain falls for a long time. Plants and other living things may not have enough water to survive.

6. Wildfires How does a wildfire cause changes in the environment?
Wildfires can destroy plants and the homes of animals. Smoke from fires pollute the air.

7. Wildfires
Does a wildfire make an environment unsuitable for life afterward?
No, plants and animals return in time.

8. Survival
What do plants and animals have that help them survive in their environment?
Adaptations

9. Review
Look over Vocabulary
Look over page 169 in your book