States of Matter

Front

What determines the temperature of a substance?

Back

The speed of the molecules determines the temperature.

Front

What is a physical change?

Back

A physical change is a change that doesn't change the identity of the substance.

Front

Which state of matter has a greater distance between particles: solid or liquid?

Back

Liquid has a greater distance between particles than solid.

Front

In which state of matter do particles have more energy: gas, solid, or liquid?

Back

Particles in a gas have more energy than in solid or liquid.

Front

What is a characteristic of gas?

Back

A gas has fast-moving particles.

Front

What is the shape and volume of a solid?

Back

A solid has a definite shape and a definite volume.

Front

How do particles behave in a liquid?

Back

Particles in a liquid are close together but can move past one another.

Front

What happens to the energy of particles when a substance is heated?

Back

The energy of the particles increases, causing them to move faster.

Front

What is the difference between a gas and a liquid in terms of particle arrangement?

Back

In a gas, particles are far apart and move freely; in a liquid, particles are close together but can slide past each other.

Front

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

Back

The process is called melting.