States & Properties of Matter/Changes in States

Front

What is mass?

Back

Mass is the amount of matter there is in an object.

Front

What state of matter has a definite shape and a definite volume?

Back

Solid.

Front

What happens to particles when heat is added to a substance?

Back

The particles move faster and further apart.

Front

What happens to particles when heat is removed from a substance?

Back

The particles move slower and closer together.

Front

In which state of matter are particles packed tightly and can only wiggle?

Back

Solid.

Front

What is the state of matter that has a definite volume but takes the shape of its container?

Back

Liquid.

Front

What is the state of matter that has no definite shape or volume?

Back

Gas.

Front

What happens to the energy of particles in a solid when it is heated?

Back

The energy increases, causing the particles to vibrate more.

Front

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

Back

Melting.

Front

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

Back

Evaporation.