During this type of weathering, the minerals that make up the rock do not chance. Example: Plants grow into cracks in rocks and cement and make the cracks larger.
What is mechanical weathering?
100
What causes sand dunes to form?
What is the wind?
100
True or false. Glaciers moving around formed the Great Lakes.
True
100
The top of a wave is called the...
What is the crest?
200
Water, ice, and wind have force. They move sediment from one point to another by...
Erosion.
200
During this type of weathering, the minerals that make up the rocks change. Example: Rocks turning red from weathering.
What is chemical weathering?
200
When will the amplitude (height) of ocean waves be the smallest?
What is on a calm day?
200
True or false. A farmer plants a cover crop to reduce the amount of soil erosion.
True
200
The bottom of a wave is called the...
What is the trough?
300
When too much water falls in a particular area, the rivers and lakes in the area may do this.
What is flood?
300
What is an important difference between erosion and weathering?
Erosion involves movement of materials from one place to another, weathering does not.
300
One beach has white sand and one beach has black sand. The color of sand on a beach depends on...
What is the source of the sand and rock?
300
True or false. Tsunamis form above ground.
False. Tsunamis form from underwater earthquakes.
300
The height of a wave, or how tall it is, is also known as the...
What is the amplitude?
400
In the 1930s, there was a drought, which means that there was VERY little rain. What was this time period called?
What is the dust bowl?
400
What is the main process that shapes Earth’s surfaces?
What is water running downhill?
400
A wave can move sediment from the shoreline to an area in the water. What kind of landform does this movement cause?
What is a sandbar.
400
True or false. Waves and water cause beaches to change their appearance.
True
400
What is the date of your test for Ch. 10?
See the board for the correct answer.
500
A sandbar is caused by...
waves carrying sand from one place to another.
500
How were the canyons Badlands National Park formed?
What is they were formed by erosion as glaciers dug into the Earth’s crust?