3.3 Quizizz Vocabulary Review

is the smallest piece of a substance. The more energy they have the more they vibrate.

• molecule

• hot

• cold

• average kinetic energy

is the energy a molecule has from its movement.

• molecule

• hot

• cold

• average kinetic energy

is when an object has a large amount of heat energy. The molecules of the object move around fast.

• molecule

• hot

• cold

• average kinetic energy

is when an object has very little heat energy. The molecules of the object move around slowly.

• molecule

• hot

• cold

• average kinetic energy

is when the molecules of a substance are stuck together and cannot move around freely.

• solid

• liquid

• gas

• melting

is when the molecules of a substance are not stuck together and can move around freely inside of the substance.

• solid

• liquid

• gas

• melting

is when the molecules of a substance are not stuck together and can move around freely in the environment.

• solid

• liquid

• gas

• melting

is when the heat energy of a solid increases and it becomes a liquid.

• solid

• liquid

• gas

• melting

is when the heat energy of a liquid decreases and it becomes a solid.

• freeze

• evaporate

• condense

• melting

is when the heat energy of a liquid increase and it becomes a gas.

• freeze

• evaporate

• condense

• melting