Chemical Reactions & Matter
Chemical Reactions & Energy
Metabolic Reactions
Ecosystems & Biodiversity
Natural Resources & Human Impact
100

Anything that has mass and takes up space. 

Matter

100

The ability to do work or cause change.

Energy

100

The chemical reactions that keep an organism alive.

Metabolism

100

All the living and nonliving things interact in an area.

Ecosystem

100

Resources that can be replaced naturally in a short amount of time.

Renewable Resources

200

A change that creates a new substance.

Chemical Change

200

Heat transfer through direct contact.

Conduction

200

Organisms that make their own food.

Producers

200

The role an organism plays in its ecosystem.

Niche

200

Coal, oil, and natural gas are examples of this type of resource.

Nonrenewable Resources

300

Bubbling, color change, and temperature change are examples of this.

Evidence

300

A reaction that releases heat to its surroundings.

Exothermic

300

The process cells use to release energy from glucose.

Respiration

300

A relationship in which both organisms benefit.

Mutualism

300

Energy from the Sun that can be used to generate electricity.

Solar Energy

400

This law states that matter cannot be created or destroyed during a chemical reaction.

Conservation

400

The energy of motion.

Kinetic

400

Nutrients move into the bloodstream during this process.

Absorption

400

Organisms that break down dead matter.

Decomposers

400

This process turns used materials into new products.

Recycling

500

A substance that speeds up a chemical reaction without being used up.

Catalyst

500

This law states that energy cannot be created or destroyed.

Conservation

500

The sugar molecule that provides energy for cells.

Glucose

500

A species that has a large effect on its ecosystem even if its population is small.

Keystone Species

500

The clearing of forests for farming, building, or other human activities.

Deforestation