Show:
Gully! It's Soil Erosion
From Riches to Rocks
Fuels Around The World
Coal, Gas, and Black Gold
Rocks & Minerals
100
Scientists who study Earth materials.
What is a geologist?
100
A solid material made up of one or more minerals.
What is a rock?
100
How a tree receives it's energy.
What is from the sun?
100
Also referred to as black gold.
What is petroleum?
100
The mineral found as a "10" on Moh's hardness scale.
What is diamond.
200
Any useful material from the Earth.
What is a natural resource?
200
A natural solid that has a definte chemical makeup, found in Earth's crust.
What is a mineral?
200
Solid animal waste burned as fuel.
What is dung?
200
The major source of energy for Earth.
What is the sun?
200
Rocks formed by pressure and heat.
What is metamorphic rocks.
300
The wise use of natural resources.
What is conservation?
300
The thinest layer of the Earth.
What is Earth's crust?
300
Fuels made from the remains of once-living things.
What are fossil fuels?
300
Energy from the sun.
What is solar energy?
300
The number rating in order for a mineral to cut a line across a piece of gladd.
What is a 6 or higher.
400
The three layers of a soil profile from the grass going down.
What is topsoil, subsoil, and weathered rock?
400
A rock that can be mined for the minerals it contains.
What is an ore?
400
Examples of fossil fuels.
What is natural gas, coal, and petroleum.
400
Other than the sun, new energy sources that will be important in the future.
Sea water, wind, and energy from inside the Eart.
400
One way we cannot classify a mineral.
What is size?
500
Plowing hilly land in a way that follows the shape of the land to help slow rainwater as it runs downhill, giving it time to sink into the soil.
What is contour plowing?
500
A resource that can be replaced.
What is a renewable resource?
500
The country that uses the most coal.
What is China?
500
What are the "bad news" about fossil fuels?
1) They can't be replaced in our lifetime. 2) Supplies won't last forever. 3) Burning them adds harmful gases to the air.
500
The mineral found in salt.
What is halite?