A relationship in which 1 member lives with, on or in another and harms it.

A relationship where BOTH organisms benefit.

Nonliving parts of an organism's habitat.

Living or once living parts of an organism's habitat.

A cell that has a nucleus and membrane bound structures.

A cell that lacks (does not have) a nucleus and membrane bound structures.

The careful use of a resource, such as clean air to prevent it from being wasted and make it last longer.

Rocks that form when magma or lava COOLS and hardens

Rocks made up of particles from other rocks (COMPACTION and CEMENTATION)

Rocks that form under intense HEAT and PRESSURE

Includes the 4 layers of the Earth that include rocks, metals and minerals.

The relatively thin layer of gases that surrounds the Earth.

Components of Earth that include water: ice, liquid water, and water vapor

Components of Earth that contain ALL living things

Predictable rise and fall of ocean water that occurs along Earth's coastlines.

Energy of motion

Stored energy, or energy due to position.

The combination of all forces acting on an object.

A push or a pull

Occurs when chemical bonds between atoms are formed or broken

A usually reversible change in the physical properties of a substance, as in size or shape and NO new substance is created.

A change in matter that produces 1 or more new substances.

Consists of just 1 type of particle and has the same physical properties throughout.

Elements that have some metallic and non metallic properties (great semi conductors for computers)

A substance that contains only 1 type of atom and cannot be broken down into a simpler form

Has parts that are easy to see and easy to separate.

Has a uniform composition that is evenly mixed and hard to separate

Made up of 2 or more atoms joined by chemical bonds

What is the basic unit of matter?