V
O
C
A
B
100

The smallest unit of matter

Atom

100

The male part of the flower

Stamen

100

Resources that will run out in our lifetime or cannot be replaced in our lifetime

Nonrenewable Resource

100

Things that can be broken down by natural agents

Biodegradable

100

The right side of a chemical equation

Product

200

Two or more different types of atoms bonded together

Compound

200

Theory of how continents moved away from one another over time

Continental Drift Theory

200

Resources that can be replaced in our lifetime

Renewable Resource

200

Substances that exist in or can be traced back to nature

Natural Substances

200

The left side of a chemical equation

Reactant

300

Matter cannot be created or destroyed

Law of Conservation of Matter

300

When an animal or plant species stops existing (dies off)

Extinction

300

Fossil fuel made from remains of ancient marine organisms

Petroleum

300

Substances that go through a man-made chemical process

Synthetic Substances

300

Chemical reaction that releases energy by light or heat

Exothermic Reaction

400

Made up of different types of atoms, molecules, or compounds

Mixture

400

Heat being trapped on Earth by the atmosphere

Greenhouse Effect

400

A body of underground rock that holds water

Aquifer

400

A type of plastic that can be heated, melted and recycled

Thermoplastic

400

Process by which heat is transferred in a cycle of hot to cold in liquid and gas. 

Convection

500

What connects two atoms together

Bonds

500

A increase in world temperatures caused by increased amounts of carbon dioxide around Earth

Global Warming

500

Aquifer that is closer to the surface that is filled with groundwater

Unconfined Aquifer

500

Hard plastics resistant to high temperatures and cannot be remolded

Thermoset

500

Material that keeps energy from moving in or out of objects

Insulator

M
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