Show:
Mohs Knows
Rock On!
Wastin' Away
Soiled Again
Ice Ice Baby
100
a scale used to determine a mineral's hardness
What is th Mohs Scale?
100
The most common type of rock at Earth's surface.
What is sedimentary rock?
100
Physical or chemical breakdown of rocks.
What is weathering?
100
Supports plant growth and is a necessary resource.
What is soil?
100
Are named Artic and Continental.
What are glaciers?
200
A mineral that is softer than fluorite
What is talc, calcite gypsum?
200
Usually contains one or more minerals.
What is a rock?
200
The process when something is worn down by rubbing an object or surface against another.
What is abrasion?
200
Broken down plant matter.
What is Humus?
200
Today glaciers cover this amount of Earth's surface.
What is 10%/
300
Has the hardness of 8.
What is topaz?
300
Made from pieces of older rock pressed/cemented together
What is sedimentary rock?
300
By breaking down rocks with their roots, plants can cause...
What is mechanical weathering?
300
Tropical desert and artic soils have different characteristics.
What is/are climates?
300
Depression left when a large boulder is moved then ice and water fill the hole.
What is a kettle lake?
400
Calcite can scratch...
What is gypsum or talc?
400
Forms as rocks melt.
What is magma?
400
RainwaterDissolving minerals in rocks, or metals.
What is chemical weathering.
400
In a a soil profile most organic matter is found in A.
What is a soil Horizon?
500
The hardest known substance
What is damond?
500
Has no beginning or end.
What is the Rock Cycle?
500
This climate type has conditions to promote fast chemical weathering.
What is hot, wet climate?
500
Made of air, water, and rock particles.
What is soil?