2nd Grade Unit 2 Matter

Front

What is matter?

Back

Matter is anything that has mass and takes up space.

Front

What are the three states of matter?

Back

The three states of matter are solid, liquid, and gas.

Front

What happens to water when it freezes?

Back

When water freezes, it changes from a liquid to a solid.

Front

What happens to ice when it melts?

Back

When ice melts, it changes from a solid to a liquid.

Front

What is evaporation?

Back

Evaporation is the process where liquid water turns into water vapor (gas).

Front

What is condensation?

Back

Condensation is the process where water vapor (gas) turns back into liquid water.

Front

What is an example of a solid?

Back

An example of a solid is a rock.

Front

What is an example of a liquid?

Back

An example of a liquid is orange juice.

Front

What is an example of a gas?

Back

An example of a gas is air.

Front

What happens to a balloon filled with helium?

Back

A balloon filled with helium floats because helium is lighter than air.