Matter Unit Review Part 1

At higher temperatures

• particles in an object have less energy
• particles in an object move faster
• a gas contracts

What happens when my glass of water is sitting in the sun and disappears into a gas?

• evaporation
• burning
• melting
• freezing

Which form of matter does not take the shape of its container?

• liquid
• gas
• solid
• air

Particles (molecules) in a ______________________ have more energy than the other states of matter.

• gas
• solid
• liquid

Particles of a liquid

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

• are free to move around one another but still touch.

The slower the particles in a substance move,

• the colder it is.

• the warmer it is.

• the more energy it has.

What state of matter?

• Solid

• Liquid

• Gas

• Plasma!!!

What state of matter?

• Solid

• Liquid

• Gas

What state of matter?

• Solid

• Liquid

• Gas

Which process could cause a material to change state from gas to liquid?

• Adding heat

• Adding energy

• Removing particles

• Removing energy