The point at which a solid becomes a liquid is called the _____ _____.

In order for a liquid to turn into a gas, ______ (less/more) heat is needed.

In ______, the atoms have SO MUCH ENERGY, that they all travel super fast and are impossible to see.

In science, energy refers to the ability to do ____.

Sometimes, a solid can turn into a gas by skipping the liquid phase. Dry Ice is an example of this process, known as __________.

In __________, the atoms have more energy and move around more than they would in a solid object, but less energy than in a gas.

When more heat is added, the particles in a solid move around more. When there is enough heat, the solid will ___ into a liquid

A ___________ property describes an element’s ability to change into a new substance.

Some ________ properties include: hardness, texture, density, flexibility, color.

When the air gets cooler, water droplets on grass can turn into frost. This is an example of

A ________ is formed when 2 or more elements are chemically bonded together. (H2O and CO2)

When the temperature gets really low, gas particles can skip the liquid phase and instantly turn into solid. Snow forms this way in the cloud. This is the phase change called ________.