2nd Grade Science Unit 3 Environmental Changes

Front

What is an environmental change?

Back

An environmental change is a change in the natural world that can affect living things, like changes in weather, pollution, or natural disasters.

Front

What can cause a tree to change?

Back

Factors like weather, animals, and human activities can cause changes to a tree.

Front

What happens to animals when there is plastic pollution in water?

Back

Plastic pollution can harm animals, making them sick or even causing them to die.

Front

What is a drought?

Back

A drought is a long period of time with little or no rain, which can lower water levels in lakes and rivers.

Front

How can we help prevent erosion?

Back

We can plant trees and grass, build barriers, and use other methods to keep soil in place.

Front

What is a model in science?

Back

A model is a representation of something that helps us understand how it works or looks.

Front

Why is it important to add a key to a map?

Back

A key explains what the symbols and colors on a map mean, making it easier to understand.

Front

What is wind erosion?

Back

Wind erosion is when strong winds blow away soil and sand, changing the landscape.

Front

What is water erosion?

Back

Water erosion happens when rain or water flow washes away soil and rocks.

Front

What can happen to a lake during a drought?

Back

The water level in the lake can decrease significantly, and it may even dry up.