Chemistry
Energy
Evolution
Earth History
Hydrosphere
Ecosystems
100

The blue particles represent this and have this charge.

What are electrons and negative?

100

This resource is considered nonrenewable and is made from the decaying remains of living things. 

What are Fossil Fuels?

100

The process by which modern organisms have descended from ancient organisms?

What is evolution?

100

This law states that the oldest rock layer will be found on the bottom and the youngest on the top.

What is the Law of Superposition?

100

Water found on the surface of the earth

What is surface water?

100

This is all the living and nonliving things in an environment.

What is an ecosystem?

200

Elements in the same group have this in common. 


What is similar properties and reactivity?

200

A renewable resource that uses water motion to turn turbines and make electricity.

What is Hyrdroelectric Power (or Tidal Power)?

200

This factor of natural selection involves a random mutation that is helps an organism survive in its environment.

What is adaptation?

200

This type of fossil can be found in many different locations across the earth (widespread), only found in one rock layer in each location (short lived), and there are a lot of them (abundant).

What is an index fossil?

200

The region of land drained by a river and its tributaries

What is river basin?

200

Plants and animals are considered this type of factor in an ecosystem.

What are biotic factors?

300

This image represents this type of substance.

What is a compound?

300

A disadvantage to the environment from this type of resource is that birds die from running into the blades.

What is wind energy?

300

This happens when a random change in the DNA occurs to hurt, improve, or do nothing to an organism. 

What is a mutation?

300

This is the only type of rock that a fossil can be formed in.

What is sedimentary rock?

300

Used to describe the health of a water system

What is Water Quality?

300

These are organisms that make their own food.

What are producers?

400

A type of change that involves creating a new substance with new properties?

What is a chemical change?

400

This type of energy source is great because it does not release any greenhouse gasses but a drawback is it creates dangerous radioactive waste that cannot be disposed of and must be stored.

What is nuclear energy.

400

Similar structures found in different species of organisms proves they have a common ancestor.

What are homologous structures?

400
This type of dating only tells us whether a fossil or rock layer is older or younger than another fossil or rock layer depending on which one was closer to the surface.
What is relative dating?
400

Pollution that comes from many places or sources that are not easily identified

What is non-point source pollution

400

This process allows produces to make sugar to use to make energy and releases oxygen as waste

What is photosynthesis?

500

Compounds and elements are both considered this.

What are pure substances?

500

This is a way to conserve resources that requires people to separate their waste.

What is recycle?

500

Tis term describes how well an organism can survive and reproduce in it's environment.

What is fitness?

500

This can be assumed about the rock layers in 2 locations where the same index fossil was found.

What is they are both the same age?
500

The amount of dissolved salts in seawater

What is salinity

500

This model shows the flow if energy and matter in biotic factors of an ecosystem incorporating multiple food chains.

What is a food web

600

This number on the periodic table equals the number of protons and electrons in a neutral atom of that element.

What is the atomic number?

600

In many of the energy sources, steam is created or wind is used to turn these to power a generator.

What are turbines?

600

This is the main piece of evidence of evolution found in traces of orgiansms preserved in rock.

What is the fossil record?

600

This represents the history of the earth based on the fossil record to show major events and represent the last 4.6 billion years.

What is the Geologic Timeline?

600

Any foreign components in a substance

What are contaminates

600

This relationship is between 2 organisms where both of them benefit from each other.

What is mutualism?