SECOND GRADE REVIEW

Front

What type of environment is a wet place?

Back

A wet place is an environment where there is a lot of water, like a lake or a swamp.

Front

What is a natural material?

Back

Natural materials are things that come from nature, like trees, wood, and milk.

Front

What is a non-natural material?

Back

A non-natural material is something made by people, like paper.

Front

Does the Sun move in the sky?

Back

No, the Sun does not move; it appears to move because the Earth rotates.

Front

What is the difference between natural and artificial light sources?

Back

Natural light sources, like stars, produce light on their own, while artificial light sources, like torches, need energy to produce light.

Front

What are the four types of forces?

Back

The four types of forces are bend, squash, twist, and stretch.

Front

What does it mean to bend something?

Back

Bending is changing the shape of an object by applying force to it.

Front

What does it mean to squash something?

Back

Squashing is pressing something down to make it flatter.

Front

What does it mean to twist something?

Back

Twisting is turning an object around its center.

Front

What does it mean to stretch something?

Back

Stretching is pulling something to make it longer.