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Q 1/19
Score 0
Weathering is a process that helps make soil. All but one statement describes how rocks may be weathered. That is:
30
Rock pieces are moved from place to place.
Water fills tiny spaces inside a rock.
Plant rooks can grow between cracks in rocks.
Lichen chemically breaking down rocks.
Q 2/19
Score 0
How do waves change sand on a beach?
30
Divides beaches in half.
Increase the number of plants right on the shore.
Waves wash sand away and deposits in other places.
Builds sand dunes on the beach.
19 questions
Q.
Weathering is a process that helps make soil. All but one statement describes how rocks may be weathered. That is:
1
30 sec
Q.
How do waves change sand on a beach?
2
30 sec
Q.
Scientists have tracked the changes in this land for many years. Picture A shows how the land looked to start with. Many years later, the land looked like Picture B. What MOST LIKELY caused the change in the land?
3
30 sec
Q.
A student blew out through a straw and directed his breath at a pan of sand (think graham cracker crumbs). The student is showing the rest of his class how the wind _____________ teh land.
4
30 sec
Q.
Wind and water can change rocks over long period of time. How does this happen?
5
30 sec
Q.
Wind can cause weathering. How does wind cause weathering?
6
30 sec
Q.
How does a delta form?
7
30 sec
Q.
Destructive forces are working on changing the way Stone Mountain will look over the next million years. What kind of forces are they?
8
30 sec
Q.
A huge, jagged rock sits atop a windy cliffside. Over a period of many years, how will the rock MOST LIKELY change?
9
30 sec
Q.
Plants and lichens are important in both physically and chemically _________________ rocks.
10
30 sec
Q.
A student spreads modeling clay in a flat tray. He presses small pebbles and nails into the clay and puts it in the freezer. He pours wax and allows it to harden in another tray. He takes the clay out of the freezer and places it on top of the wax. He applies pressure and drags the clay over the top of the wax and makes deep impressions. Which geologic process is the student trying to model?
11
30 sec
Q.
Frost wedging is a form of weathering caused by water seeping into cracks of rocks. This is common in areas that have very cold winters. How does frost wedging take place?
12
30 sec
Q.
Which is an example of chemical weathering?
13
30 sec
Q.
What has MOST LIKELY caused a change in the soil in the wheat field shown?
14
30 sec
Q.
Earth's oceans contain many dissolved elements like calcium, sodium and chlorine. these elements plus several others combine to form the slats in the ocean. What is a major source of calcium and sodium in the oceans?
15
30 sec
Q.
A silt fence is shown in the picture. A silt fence operates by intercepting and filtering sediment-laden runoff. It allows the sediment in the water time to settle before the water flows into other areas. The silt fence is also protecting against
16
30 sec
Q.
A great deal of the Blue Ridge Mountains was eroded. The eroded rock eventually settled in Virginia's coastal plain. What process caused this?
17
30 sec
Q.
The process of deposition causes
18
30 sec
Q.
The drought alone did not cause the dust bowl. It was a combination of several things, the drought and
