Systems of the Universe
Rocks & Fossils
Weathering
Earthquakes & Volcanoes
Earth's Surface
100
Why is the sky black on the moon?
Because there is no atmosphere.
100
What is weathering?
The breaking of rocks into smaller pieces.
100
What is the removal of surface layers to expose lower layers of earth and rocks?
Exfoliation
100
What is the point beneath the surface where rocks break and an earthquake starts?
The focus.
100
Name at least two lanforms found on the earth.
Mountains, plateaus, plains, valleys, etc.
200
What is another name for sea on the moon?
Mara
200
What type of soil doen't hold water?
clay
200
What is it called when weathering causes rocks grinding and scraping against one another?
Abrasion
200
What is it called when there is a blow out of gas, lava, rock, or ash?
An Eruption.
200
In a mid-ocean ridge what pulls the crust apart?
Convection cells
300
One day on the moon is equivalent to how long on earth?
Two weeks.
300
How is soil formed?
By rocks rubbing together. (By weathering)
300
As a result of exfoliation, when rocks and soil that are underground are forced to the surface what is the called?
Upward expansion.
300
What is the name of the opening in a volcano where lava, ash, gas,and rocks pour out?
A Vent.
300
What is the force called that pulls things toward the center of the earth?
Gravity
400
Describe the four outer planets?
Large and gaseous
400
Describe the two things rocky soil has?
Large rock piecesand no Humus.
400
What is the other term used to describe mechanical weathering or when a rock breaks down into smaller pieces?
Physical weathering.
400
Compared to "P" waves, "S" waves move faster or slower?
Slower
400
What is the name of the top layer of the earth's surface?
The crust
500
Describe the four inner planets?
Small and rocky
500
Which soil layer has the most organic matter?
Top soil.
500
What is it when water fills cracks in rocks, freezes and forces rocks to split apart?
Frost wedging.
500
What kind of waves are formed when a seismic wave arrives at the surface first and moves by compressing and expanding like and accrodian?
Primary waves.
500
Which landform looks like an old mountain? A. An old volcano B. An old stream valley
An old volcano.
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