2nd Grade Science Unit 3 Environmental Changes

Front

What is erosion?

Back

Erosion is the process where natural forces like water or wind wear away soil and rock.

Front

What can prevent erosion?

Back

Building walls or planting vegetation can help hold the soil in place and prevent erosion.

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

What is a key on a map?

Back

A key explains what the symbols on a map mean.

Front

How can you improve a model?

Back

You can refine or correct parts of the model that are not accurate.

Front

What questions can help us understand environmental changes?

Back

Questions about weather, animals, and human impact can help us understand changes in the environment.

Front

What is plastic pollution?

Back

Plastic pollution is when plastic waste harms the environment, especially in oceans and rivers.

Front

How does plastic affect animals?

Back

Plastic can harm animals by causing injury or death if they ingest it or get trapped in it.

Front

What is the importance of trees in the environment?

Back

Trees provide oxygen, improve air quality, and offer habitat for wildlife.

Front

What can we do to help trees?

Back

We can plant more trees, reduce pollution, and take care of existing trees.