The Earth has changed very little over the last 500 years.

The Earth's surface is made up of 50% land and 50% water.

The Earth cannot have another Ice Age or Global Warming.

Heat changes the Earth from the inside

Water changes the Earth from the outside.

Glaciers are part of the water cycle.

Soil is made up of equal parts of rocks and dead things.

______________ are big pieces of land.

______________ are little pieces of land.

A ________ is a high level flatland.

A ________ is land that goes up and down a little.

A ________ is land that goes up and down a lot.

A ________ is a low level flatland.

A ________ is considered the most fertile landform.

A ________ is formed when plates crash into each other.

Mesa and steppes are other names for ______.

A _______is located next to mountains and is not very fertile.

_______ is land completely surrounded by water.

_______ are small hills next to big hills or mountains.

_______ is the land formed at the end of a river.

_______ is the land surrounded by water on three sides.

_______ are points of land that stick out into a body of water.

_______ is a skinny piece of land that connects 2 bigger pieces of land.

There are (2) types of water on Earth.

There is 90% fresh water and 10% salt water on Earth.

Even though salt water tastes bad, but it is safe for people to drink.

Glaciers are a large body of salt water.

The Pacific Ocean is the world's largest ocean, but is getting smaller.

An iceberg is a piece of a glacier.

Continental movement is the reason some oceans are getting bugger and others smaller.

For the Earth's oceans to get smaller we would have global warming.

A strait is a narrow piece of land that lies between two bodies of water.

The continents continue to move because they are connected to plates that are moving slowly due to the heat inside.

Millions of years ago there was one super continent called "Panthalassa"

______________ are the largest bodies of salt water.

______________ a flowing body of fresh water.

______________ largest bodies of fresh water.

______________ is fresh water that is located underground.

______________ is the smallest bodies of salt water

______________ is the smallest bodies of standing still fresh water.

What (2) things decide what type of natural vegetation you have?

What type of vegetation is associated with the state of Illinois.

What word means type of vegetation?

What time of vegetation needs a lot of rain?

What must change before the natural vegetation will change?

Plant life that grows because man planted it for a purpose.

Special plants that grow where it is very cold.

Dried grass with clumps of trees, might be a dried out forest.

A lot of tree

A cold forest.

Special plants that grown on its own without the aid of man

Which (2) are considered the most fertile?

Which (2) landforms are the least fertile.

Which (2) landforms have the most cities with the largest population.

Which landforms are associated with the Quad Cities?

Which bodies of water are associated with the Quad Cities?