States of Matter

Melting is when a substance changes from a _______________

• Solid to a liquid

• Liquid to a solid

• Yes

• Solid to a gas

The point at which a liquid becomes a solid is called the _____________ point.

• Melting

• Boiling

• Freezing

• Condensation

What are the four states of matter?

• Color, shape, size, and density

• Solid, liquid, vacuum, and plasma

• Heat, temperature, length, and mass

• Solid, liquid, gas, plasma

True or False: Gases don't have a definite shape or size. Instead, they fill up any available space.

• True

• False

True or false: Liquid particles move slower than gas particles.

• True

• False

Molecules in this phase of matter are tightly packed together.

• Liquids

• Solids

• Gases

• Nothing

States of matter are the ___________.

• Mass

• Term used to describe a physical or chemical change

• Physical forms a substance can take

• Temperature at which a liquid boils and becomes a gas