🤗HW31: 12.15

Front

At higher temperatures, ________.

Back

Particles in an object move faster.

Front

What state change occurs when a solid turns into a liquid?

Back

Melting.

Front

How do you calculate density?

Back

Density = Mass / Volume.

Front

What happens to the particles in a gas when it is heated?

Back

They move faster and spread apart.

Front

What is a mixture?

Back

A combination of two or more substances that retain their individual properties.

Front

What state change occurs when a liquid turns into a solid?

Back

Freezing.

Front

What is the density of an object with a mass of 4 g and a volume of 2 cm³?

Back

2 g/cm³.

Front

What happens to a gas when it cools down?

Back

It contracts and the particles move closer together.

Front

What is condensation?

Back

The process where a gas turns into a liquid.

Front

What is evaporation?

Back

The process where a liquid turns into a gas.