Science 5 and 6-PEPT JC

: Anything that has mass and occupies space.

The physical forms in which a substance can exist; includes solid, liquid, and gas.

: The mass per unit volume of a substance.

: The temperature at which a liquid changes to a gas.

: The temperature at which a solid changes to a liquid.

: The natural environment where an organism lives.

: The continuous movement of water on, above, and below the surface of the Earth.

: The layer of gases surrounding Earth.

: The sun and all the objects that orbit it, including planets, moons, asteroids, and comets.

: The process by which green plants use sunlight to make food from carbon dioxide and water.