Phase Change Test Review

Solid molecules move ______.

• around each other

• in place

• away from each other

• don't move

Liquid molecules move ______.

• in place

• around each other

• away from each other

• stop moving

Gas molecules move ______.

• in place

• around each other

• away from each other

• stop moving

A solid can

• hold its shape

• takes the shape of the container

• has no visible shape

A liquid can

• hold its shape

• takes the shape of the container

• has no visible shape

A gas

• hold its shape

• takes the shape of the container

• has no visible shape

What are independent variables in an experiment?

• what I, the scientist, change

• what I measure

• what stays the same

What are dependent variables in an experiment?

• what I, the scientist, change

• what I measure

• what stays the same

What are constants or controls in an experiment?

• what I, the scientist, change

• what I measure

• what stays the same

If I want to measure kinetic energy, what can I also measure?

• Temperature

• Volume

• Mass

• Attraction