JHS Science - Easy

Front

What is the smallest unit of matter?

Back

Atom

Front

What is the process by which plants make their own food?

Back

Photosynthesis

Front

What is the force that keeps all objects on earth towards its center?

Back

Gravity

Front

What is the layer of the Earth that is the thinnest?

Back

Crust

Front

What is the main source of energy for all living things?

Back

Sunlight

Front

What is a molecule?

Back

A molecule is a group of two or more atoms bonded together.

Front

What is a compound?

Back

A compound is a substance formed when two or more different elements are chemically bonded together.

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is respiration?

Back

Respiration is the process by which living organisms convert food into energy.

Front

What is fermentation?

Back

Fermentation is a metabolic process that converts sugar to acids, gases, or alcohol in the absence of oxygen.