SY25_PGB_Grade 2_Science_Checkpoint 8

Front

Stars can be many different colors. Stars are different colors because their color shows

Back

the surface temperature of the star.

Front

Which of the following is an example of a liquid changing to a solid?

• Water freezing
• Wax melting
• Steam rising from boiling water

Back

Water freezing

Front

What is Keisha using to push her brother on the swing?

Back

force

Front

Which of these lists are the correct states of matter?

Back

solid, liquid, gas

Front

What property classifies orange juice as a liquid?

Back

The liquid takes the shape of the container it’s in.

Front

What will change a liquid to a gas?

Back

Adding heat energy

Front

Some stars burn hotter and some stars burn colder than others. What does this cause?

Back

This causes stars to be different colors.