Rock, Soil, and Fossils
Landforms
Earth's Resources
Weather and Climate
Water Cycle
100
The remains of plants or animals that lived long ago.
What is fossil?
100
A mountain made from hardened lava, rock, and ash that erupted from the Earth's Crust.
What is volcano?
100
Oil, water, oxygen, and sunlight are materials useful to people.
What is natural resources?
100

The weather conditions in an area over a long period of time. 

What is a climate?
100

Water falling to the surface if the Earth in form of rain, hail, sleet, or snow.

What is precipitation?
200
A material made up of tiny pieces of weathered rock.
What is soil?
200
A hill of sand formed by the deposition of sand by the wind.
What is sand dune?
200
Tree, plants, animals, water, oxygen, and soil are natural resources that can be produced again. 
What is renewable resources?
200
The condition of the air in a specific place at a specific time.
What is weather?
200
The process of changing from liquid to a gas, usually caused by energy from the sun.
What is evaporation?
300
Soil rich in nutrients that is good for plant growth.
What is loam?
300
A huge piece of ice that slowly moves across the Earth surface to form valleys
What is glacier?
300
Wind, solar, hydroelectric, geothermal, and biofuels

are sources of energy that do not come from fossil fuels.

What is Alternative energy?
300
A large pocket of air.
What is air mass?
300
The process of changing a gas to a liquid, such as water vapor changing into water.
What is condensation?
400
Rock that forms when cemented layers of soil are pressed together
What is sedimentary rock?
400

The high walls along a river and the river itself.

What is a canyon?
400
The practice of decreasing the use of natural resources in order to save them.
What is conservation?
400
The weight of the air pressing on everything in the environment.
What is air pressure?
400
The process of water vapor leaving a plant and entering the atmosphere.
What is transpiration?
500
Decaying plants and animal material in the soil.
What is humus?
500
Occurs when gravity pulls down some of the land in the slope of a hill.
What is landslide?
500
Fuels made of organic matter like plants or animal waste.
What is biofuels?
500
The place where an air mass meets another air mass.
What is a front?
500
The change of water from one state to another as it travels from the Earth's surface to the atmosphere and back.
What is the water cycle?
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