Changing States of Matter

The state of matter where the molecules are VERY FAR APART and move around freely is called a ________________________.

• solid

• liquid

• gas

• plasma

The state of matter where the molecules are TIGHTLY PACKED TOGETHER and DO NOT move around is called a ________________________.

• solid

• liquid

• gas

• plasma

The state of matter where the molecules move around a little bit, and it takes the shape of its container is called a ________________________.

• solid

• liquid

• gas

• plasma

To make matter change states, you need to add or take away _________________________.

• oxygen

• salt

• heat

• molecules

When you add heat to a solid it will _________________ into a liquid.

• freeze

• melt

• condense

• evaporate

When you take away heat from a liquid it will _________________ into a solid.

• freeze

• melt

• condense

• evaporate

When you add heat to a liquid, it will turn into a gas; this is called ______________________.

• freezing

• melting

• condensation

• evaporation

When you take away heat from a gas, it will cause liquid to form; this is called ______________________.

• freezing

• melting

• condensation

• evaporation

Turning juice into popsicles by placing it in the freezer in a popsicle mold is an example of ________________________

• freezing

• melting

• evaporation

• condensation

Ice cream from an ice cream cone running down your hand on a hot day is an example of ________________________

• freezing

• melting

• evaporation

• condensation