Changes in Matter

If a box of crayons is left in a hot car on a summer afternoon, what change would you expect to observe in the crayons?

• gas changed to liquid
• liquid changed to solid
• solid changed to liquid
• liquid changed to gas

Tags

NGSS.MS-PS1-4

A student took ice cream outside on a summer day. The heat would cause what kind of change?

• a solid becoming a liquid
• a liquid becoming a gas
• a liquid becoming a solid 
• a gas becoming a liquid

Tags

NGSS.MS-PS1-4

Removing heat from water vapor causes what change in it's physical state?

• a liquid changing into a gas
• a solid changing into a gas
• a gas changing into a liquid
• a liquid changing into a solid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

As the ice cube melts, what will change?

• volume

• mass

• state of matter

Students heated a sample of water in a container. Later, the container appeared to be empty. The heat caused the water to...

• melt
• evaporate
• freeze

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

When you melt a solid, do you add heat or take heat away?

• Add heat
• Take heat away

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What process happens when gas is changed into a liquid?

• Evaporation
• Melting
• Freezing
• Condensation

Tags

NGSS.MS-PS1-4

The diagram shows the process of

• melting
• boiling
• freezing
• condensing

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What is condensation?

• A gas changing to a solid

• A gas changing to a liquid

• A solid changing to a liquid

• A liquid changing to a gas

Which part of the picture is a solid?

• vapor

• mug

• hot chocolate