Grade 8 States of Matter

Which of the following occurs when a liquid becomes a gas?

• The particles slow down

• The particles move further away from each other

• The particles move closer together

• The particles dissolve

Which is true about gases?

• They have a fixed shape

• They take on the shape of their container

• They are made of fast moving particles

• They are made of slow moving particles

When temperature increases...

• The particles in a substance move slower

• The particles in a substance move faster

• The substance turns from a liquid to a solid

• The substance turns from a gas into a solid

Which is true about liquids?

• The particles are tightly packed together and stay in a fixed position.

• The particles are far apart and move very quickly.

• The particles are far apart and stay in a fixed position

• The particles are close together, but are able to move around each other

In which state of matter do the particles spread apart and fill all the space available to them?

• Crystal

• Liquid

• Gas

• Solid

Which form of matter has a fixed shape?

• Liquid

• Gas

• Solid

• Water

Particles (molecules) in a gas have more ____________    ___________ than the other states of matter.

• Thermal Energy

• Atoms

• Elements

• Malleability

Which state of matter has no definite size or shape?

• Solid

• Liquid

• Gas

In which state of matter are molecules the closest to each other?

• Solid

• Liquid

• Gas

The steam coming off the pot of boiling water is an example of _________________.

• A solid becoming a liquid

• A liquid becoming a solid

• A liquid becoming a gas

• A gas becoming a liquid