7th Grade Science

A sampling of 7th Grade Science Terms

Atom

The smallest unit of matter that retains the properties of an element.

Molecule

A group of atoms bonded together, representing the smallest unit of a chemical compound.

Photosynthesis

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

Ecosystem

A community of living organisms interacting with their physical environment.

Cell

The basic structural and functional unit of all living organisms.

Force

A push or pull exerted on an object that causes a change in motion.

Gravity

The force of attraction between two objects due to their mass.

Matter

Anything that has mass and takes up space.

Energy

The ability to do work or cause change, existing in forms such as heat, light, and motion.

Evaporation

The process by which a liquid changes into a gas due to heat.