8th Grade Science v.2

I Am Inevitable

100

This man is credited with discovering the Theory of Evolution.

Charles Darwin

200

When one organism tries to look like another organism to gain a survival advantage.

Mimicry

300

The term for a random change in an organisms genetic code.

Mutation

400

Out of a population, this is when the organisms with the better trait survives and passes it's genes to the offspring.

Natural Selection

500

The Theory of Evolution proposes that all living organisms share this in common.

Common Ancestor

Stop Bugging Me!

100

This microbe is classified as non-living.

Virus

200

This classification is given to a disease when it has afflicted most of the world.

Pandemic

300

The invention of this led to the end of the Golden Age of Germs.

Antibiotics or Vaccines

400

This is ineffective against stopping a viral infection.

Antibiotics

500

This is the reason epidemics become pandemics.

Travel

Wuter

100

This type of pollution comes from a specific and easily identifiable source.

Point-source Pollution

200

Name given to water that is usable for cooking and drinking.

Potable

300

In the USA, this organization is responsible for testing and maintaining water quality.

EPA

400

Agricultural runoff, pesticides on an open field, and vehicle exhaust are all examples of this pollution.

Non-Point Source

500

When these two chemicals drain into a lake or river, they can cause uncontrolled growth of algae.

Nitrates and Phosphates

It's Electric

100

This type of energy requires hot springs and natural steam from the earth.

Geothermal

200

This energy resource is known for its high efficiency and high risk to human health.

Nuclear

300

Coal, oil, and natural gas are also classified as this.

Fossil Fuels

400

Pollution from coal, oil, and natural gas cause this phenomenon, harming the earth.

Global Warming or Greenhouse Effect

500

The USA predominantly uses these 2 energy resources for electricity generation.

Coal and Natural Gas

An Explosive Reaction

100

Name given to the chemicals that come at the beginning of an equation.

Reactants

200

Law of chemistry that states mass or matter cannot be created or destroyed.

Law of Conservation of Matter or Mass

300

Luster, color, size, shape, and hardness are all examples of this.

Physical Properties

400

To satisfy the Law of Conservation of Mass, a chemical equation must be this.

Balanced

500

The reactant side of the following equation contains this many oxygens.

6 O₂ + C₆H₁₂O₆ ---> 6 CO₂ + 6 H₂O

18