Changes in states of matter

What happens to the particles (molecules) of a substance when heat energy is added?

• the particles get farther apart

• the particles get closer together

• the particles get smaller

• the particles disappear

What happens to a solid when heat energy is added?

• it changes into a liquid

• it stays a solid

• it changes into a gas

• nothing happens

What happens to a liquid when heat energy is added?

• it changes into a gas

• it changes into a solid

• nothing happens

• it stays a liquid

What happens to the particles (molecules) of a substance when heat energy is added?

• the particles speed up

• the particles slow down

• the particles get larger

• the particles disappear

Which describes the particles (molecules) of a solid?

• they are very close together and vibrate in place

• they are very far apart

• they move around very quickly

• they are very large molecules

Which statement describes the particles (molecules) in a gas?

• the particles are very close together

• the particles vibrate in place

• the particles move quickly and are far apart

• the molecules are very large

What is this tool and what is it used for?

• spring scale - used to measure mass

• beaker - used to measure volume

• graduated cylinder - used to measure volume

• pan balance - used to measure mass

What is this tool and what is it used for?

• spring scale - used to measure mass

• beaker - used to measure volume

• graduated cylinder - used to measure volume

• pan balance - used to measure mass

What is the boiling point of WATER in Celsius?

• 0 degrees Celsius

• 100 degrees Celsius

• 300 degrees Celsius

• 122 degrees Celsius

What is the freezing and melting point of WATER in Celsius?

• 0 degrees Celsius

• 100 degrees Celsius

• 300 degrees Celsius

• 122 degrees Celsius