Earth
Climates & Ecosystems
People & the Environment
100

What is an Equinox

It is a point at which, everywhere on Earth, days and nights are nearly equal in length.  

100

What is the Water Cycle

The Water Cycle is the movement between of water from Earth's surface into the atmosphere and back again.

100

 What is a Natural Resource

A natural resource or a useful material found in the environment.

200

What is a Solstice

A Solstice is a point at witch days are longest in one hemisphere and shortest in the other

200

What is an Ecosystem

An Ecosystem is a group of plants and animals that depend on one another and their environment for suvival.

300

What is the Mantel

The Mantel is a thick, rocky layer around the core.

300

What is Biomes

Regions on Earth that are made up of similar communities of plants and animals are called Biomes

400

What is Deposition

Deposition is the process of depositing, or dropping, eroded, material.

400

What is Prevailing Winds  

It is are winds that most frequently blow across a region.

500

What is Weathering

Weathering is a process that breaks rocks down into tiny pieces.

500

What is a Tropical Cyclone

Is an intense rainstorm with strong winds that forms over oceans in the tropic

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