States of Matter

Front

What are the three main states of matter?

Back

Solid, liquid, and gas.

Front

What is the process called when a liquid turns into a solid?

Back

Freezing.

Front

In which state of matter do molecules have the least amount of energy?

Back

Solid.

Front

What happens to the molecules in a gas when the temperature increases?

Back

They gain energy and move faster.

Front

What is the characteristic of the shape of a solid?

Back

A solid has a definite shape.

Front

How do the molecules in a liquid behave compared to those in a solid?

Back

Molecules in a liquid are more spread out and can move past each other, unlike in a solid where they are tightly packed.

Front

What is the term for the change from gas to liquid?

Back

Condensation.

Front

What is the term for the change from solid to liquid?

Back

Melting.

Front

What state of matter fills the entire volume of its container?

Back

Gas.

Front

What is required for a substance to dissolve?

Back

Two substances must be present.