Earth: A Unique Planet
Energy in the Earth System
Ecology
Misc.
100

The thin, solid, outermost zone of Earth.

What is the Crust

100

An organized group of related objects or components that interact to create a whole.

What is a system?

100

A community of organisms and their abiotic environment

What is an Ecosystem?

100

One of the two main sources of energy in the Earth system.

What is the Sun or Radioactive Decay?

200

Earth's layer that underlies the crust, is denser than the crust.  This layer is nearly 2,900km thick and makes up almost 2/3 of the Earth's mass.

What is the mantle?

200

The blanket of gases that surrounds Earth's surface

What is the Atmosphere?

200

The largest population that an environment can support at any given time.

What is the Carrying Capacity?

200

This law states that the force of attraction between any two objects depends on their masses and the distance between them.

What is Newton's Law of Gravity (Gravitation)?

300

The center of the Earth is a sphere and is made of mainly iron and nickel.

What is the core?

300

The mostly solid part of Earth is known as this

What is the Geosphere?

300

A diagram that shows the feeding relationships among organisms in an ecosystem.

What is the food web?

300

The movement of water from the atmosphere to Earth's surface and back to the atmosphere is known as this.

What is the Water Cycle?

400

1 of the 3 structural zones of the Earth's interior that includes the mantle and the crust.  A rigid layer that is 15 - 300 km thick.

What is the lithosphere?

400

The part of the Earth where life exists; includes all of the living organisms on Earth.

What is the biosphere?

400

Organisms that make their own food are called this.

What are Producers?

400

1 of the 3 structural zones of the Earth's interior that is considered to be the strong lower part of the mantle.

What is the Mesosphere?

500

1 of the 3 structural zones of the Earth's interior that is less rigid than the outer layer.  It has enormous amounts of heat and pressure.  It is the middle layer.

What is the Asthenosphere?

500

The portion of the Earth that is water is referred to as this.

What is the Hydrosphere?

500

Organisms that get their energy by eating other organisms.

What are consumers?

500

1 of the 3 factors that control the balance of an ecosystem.

What is Carrying Capacity, Disturbance, or Energy Transfer.