Block 2 Game (Physical Changes in Matter)

Processes that involve the change of size or shape but does not form any new substance is called _______.

• reversible

• irreversible

• physical change

• new substance

Answer explanation

All processes that make an object change its state of matter without forming any new substance is called PHYSICAL CHANGE.

Ice (solid) melting and becoming water (liquid) is an example of a physical change. This also did not form any new substance.

Tick all the choices that show reversible change.

• Ripping paper

• Butter melting

• Squeezing a sponge

• Melting ice cream

• Burning paper

Answer explanation

REVERSIBLE CHANGE is a kind physical change that can be undone or reversed, but it will not form any new substance.

Tick all the choices that show irreversible change.

• Bending wire

• Cutting wood

• Stretching a rubber band

• Ice cream melting

• Breaking glass

Answer explanation

IRREVERSIBLE CHANGE is a kind physical change that cannot be undone or reversed. It will also not form any new substance.

Tags

NGSS.5-PS1-4

The process of changing liquid into gas by heating

• Boiling

• Melting

• Cooling

• Condensation

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The process of changing liquid into vapor by taking heat from the environment or surroundings

• Boiling

• Melting

• Evaporation

• Condensation

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The process of liquid changing into solid by cooling. It is also the opposite of melting.

• Cooling

• Condensation

• Heating

• Freezing

Tags

NGSS.MS-PS1-4

The process of gas changing into liquid by cooling. It is also the opposite of evaporation.

• Cooling

• Condensation

• Heating

• Freezing

Tags

NGSS.MS-PS1-4

We use _______ to change solid into liquid.

• Heat

• Cooling

Tags

NGSS.MS-PS1-4

Gas turns into liquid when we _______ the gas down.

• Heat

• Cool

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Substances become smaller when they are cooled.

• Expansion

• Contraction

Tags

NGSS.MS-PS1-4