Phase Change

Front

When a substance melts, the kinetic energy _____________.

Back

increases

Front

When molecules flow around each other, they are in this phase: solid, liquid, gas, plasma

Back

liquid

Front

The molecules in this picture are in what phase? Options: solid, liquid, gas, plasma

Back

liquid

Front

If this substance had kinetic energy ADDED, it would be in what phase? Options: solid, liquid, gas, plasma

Back

liquid

Front

Sam had a solid and added energy to it. What did the molecules look like?

Back

The molecules moved around each other.

Front

What is the energy that an object has because it is moving?

Back

kinetic

Front

What takes place when a liquid changes to a gas?

Back

evaporation

Front

What is a group of atoms joined together called? Options: an atom, molecule, matter, compound

Back

molecule

Front

What takes place when a solid changes to a liquid?

Back

melting

Front

What is the average kinetic energy of a substance called?

Back

temperature