Climate
Cells
Genetics
Body Systems
Water Cycle
100

The gas released when fossil fuels are burned.

What is carbon dioxide?

100

The name given to organisms made of just one cell.

What is unicellular?

100

The term for different versions of a gene.

What are alleles?

100

The system that breaks down our food into smaller pieces.

What is the digestive system?
100

Water found deep beneath Earth's surface.

What is groundwater?

200

The layer of gases surrounding Earth.

What is the atmosphere?

200

The organelle that conducts photosynthesis to produce glucose.

What is the chloroplast?

200

The type of reproduction that produces genetically identical offspring.

What is asexual reproduction?
200

The system that transports nutrients to and waste products from all of our cells.

What is the circulatory system?

200

The gaseous form of water.

What is water vapor?

300

Carbon dioxide, water vapor, and methane are called by this alliterative term because of the way they trap heat.

What are greenhouse gases?

300

This part of the cell determines what can and cannot enter the cell.

What is the cell membrane?

300

The things genes code for.

What are proteins?

300

The system that exchanges gases with the environment.

What is the respiratory system?

300

When water vapor loses energy and forms droplets of liquid water.

What is condensation?

400

The conditions caused by a high-pressure system.

What are clear skies?

400

The organelle that assembles proteins from amino acids.

What is the ribosome?

400

This is the result of sexual reproduction.

What is genetic diversity?

400

The tubes large and small that carry blood all around the body.

What are blood vessels?

400

Water flowing across Earth's surface.

What is runoff?

500

The name given to the way wind and ocean currents curve due to Earth's rotation.

What is the Coriolis effect?

500

Mitochondria release energy by means of this process.

What is cellular respiration?

500

A copying error made when cells reproduce.

What is a mutation?

500

The system that sends signals throughout your body.

What is the nervous system?

500

The term for when liquid water gains energy and turns into a gas.

What is evaporation?