Changes of Matter

Which form of matter take the shape of a container like this juice?

• liquid
• solid
• glass
• gas

What happens when my glass of water is sitting in the sun and disappears into a gas?

• evaporation
• burning
• melting
• freezing

Condensation is . . . .

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

Freezing (or solidification) is . . . .

• liquid to solid
• solid to liquid
• solid to gas
• solid to plasma

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

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

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

A drop of water was placed in a hot pan and seemed to disappear. The heat caused the water to....

• melt
• freeze
• evaporate
• gel

When an ice cube is placed on the sidewalk on a hot day, what is the series of changes to it's physical state that occurs?

• gas, solid, liquid
• solid, gas, liquid
• solid, liquid, gas
• liquid, solid, gas

Water vapor is forming a liquid on the outside of this glass because the vapor.

• loses heat when it touches the glass
• pulls cooler liquid through the glass
• becomes warmer close to the glass