Physical and Chemical Changes Quiz

What happens to the identity of a substance during a physical change?

• It stays the same

• It becomes a new substance

• It disappears

• It turns into a gas

What is one way to tell if a chemical change has happened?

• Gas or bubbles form

• The object is cut in half

• The object is mixed with water

• The object is frozen

Tags

NGSS.MS-PS1-2

What is the main difference between a physical and a chemical change?

• A chemical change creates a new substance, while a physical change does not

• A physical change creates a new substance, while a chemical change does not

• Both create new substances

• Neither creates new substances

Tags

NGSS.MS-PS1-4

What can happen to water when temperature changes?

• It can melt, freeze, boil, or condense

• It can only freeze

• It can only boil

• It can only melt

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

When heat is removed from water, what happens to the movement of particles?

• They move slower

• They move faster

• They disappear

• They change color

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which method can be used to separate sand and water?

• Using a filter

• Burning the mixture

• Adding more water

• Freezing the mixture

How can you separate salt from water?

• By evaporation

• By using a magnet

• By freezing

• By shaking the mixture

Tags

NGSS.MS-PS1-4

What is an example of a physical change?

• Mixing sand and water

• Burning wood

• Rusting iron

• Baking a cake

What happens to water particles in the gas (steam) state?

• They move quickly and spread out

• They vibrate in place

• They freeze together

• They stop moving

Tags

NGSS.MS-PS1-4

Which of the following is observable evidence of a chemical change?

• Color change

• Mixing with a spoon

• Filtering a mixture

• Evaporation

Tags

NGSS.MS-PS1-2