Weathering Erosion Deposition worksheet - Free Printable
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Step-by-step solution for: Weathering Erosion Deposition worksheet
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Show Answer Key & Explanations
Step-by-step solution for: Weathering Erosion Deposition worksheet
Here are the answers to the questions on your worksheet, explained simply.
1. What is weathering?
Weathering is the process where rocks are broken down into smaller pieces. This can happen due to wind, water, ice, or plants growing in cracks. It happens right where the rock is sitting.
2. The movement of sediment from one place to another is the process of...
This describes erosion. While weathering breaks the rock, erosion moves it. Think of a river carrying sand downstream—that is erosion.
3. What are the four main causes of weathering?
The four main types (or causes) of weathering are:
* Ice: Water freezing and expanding in cracks (frost wedging).
* Water: Rain or flowing water wearing away rock.
* Plants: Roots growing into cracks and breaking them apart.
* Wind: Wind blowing sand against rocks like sandpaper.
*(Note: Sometimes "Animals" is used as a cause if they dig, but Ice, Water, Plants, and Wind are the most common natural forces).*
4. The dropping of sediment by wind, water, ice, or gravity is known as...
This is called deposition. When the moving agent (like a river or wind) slows down, it drops the rocks and sand it was carrying.
5. What happens to a rock that has rainwater entering its cracks and then freezing?
When water freezes, it expands (gets bigger). If water gets into a crack in a rock and freezes, the expansion pushes the sides of the crack apart. Over time, this makes the crack wider until the rock eventually splits. This is often called "ice wedging."
6. What are sediments?
Sediments are small, solid pieces of material that come from rocks or living things. Examples include sand, mud, pebbles, and clay. They are usually moved by wind, water, or ice.
7. True or false: Erosion always takes a very long time to happen.
False. While erosion often takes a long time (like forming the Grand Canyon), it can also happen very quickly. For example, a flood or a landslide can move huge amounts of soil in just minutes or hours.
8. When wind dies down or stops blowing ________ happens.
When the wind stops, it loses the energy needed to carry sand and dirt. Therefore, deposition happens. The wind drops the sediment it was carrying.
9. What process involves the breaking of rocks over time due to wind?
This is weathering. Specifically, wind blowing sand against a rock wears it down and breaks off tiny pieces. Since the rock is being broken down rather than moved far away immediately, it fits the definition of weathering.
10. What process is taking place when moving water is carrying away small pieces of rock?
This is erosion. Because the water is *carrying away* (moving) the pieces, it is erosion.
Final Answer:
1. Weathering is the breaking down of rocks.
2. Erosion
3. Ice, Water, Plants, and Wind.
4. Deposition
5. The rock cracks or splits because freezing water expands.
6. Sediments are small pieces of rock or organic matter (like sand or mud).
7. False
8. Deposition
9. Weathering
10. Erosion
1. What is weathering?
Weathering is the process where rocks are broken down into smaller pieces. This can happen due to wind, water, ice, or plants growing in cracks. It happens right where the rock is sitting.
2. The movement of sediment from one place to another is the process of...
This describes erosion. While weathering breaks the rock, erosion moves it. Think of a river carrying sand downstream—that is erosion.
3. What are the four main causes of weathering?
The four main types (or causes) of weathering are:
* Ice: Water freezing and expanding in cracks (frost wedging).
* Water: Rain or flowing water wearing away rock.
* Plants: Roots growing into cracks and breaking them apart.
* Wind: Wind blowing sand against rocks like sandpaper.
*(Note: Sometimes "Animals" is used as a cause if they dig, but Ice, Water, Plants, and Wind are the most common natural forces).*
4. The dropping of sediment by wind, water, ice, or gravity is known as...
This is called deposition. When the moving agent (like a river or wind) slows down, it drops the rocks and sand it was carrying.
5. What happens to a rock that has rainwater entering its cracks and then freezing?
When water freezes, it expands (gets bigger). If water gets into a crack in a rock and freezes, the expansion pushes the sides of the crack apart. Over time, this makes the crack wider until the rock eventually splits. This is often called "ice wedging."
6. What are sediments?
Sediments are small, solid pieces of material that come from rocks or living things. Examples include sand, mud, pebbles, and clay. They are usually moved by wind, water, or ice.
7. True or false: Erosion always takes a very long time to happen.
False. While erosion often takes a long time (like forming the Grand Canyon), it can also happen very quickly. For example, a flood or a landslide can move huge amounts of soil in just minutes or hours.
8. When wind dies down or stops blowing ________ happens.
When the wind stops, it loses the energy needed to carry sand and dirt. Therefore, deposition happens. The wind drops the sediment it was carrying.
9. What process involves the breaking of rocks over time due to wind?
This is weathering. Specifically, wind blowing sand against a rock wears it down and breaks off tiny pieces. Since the rock is being broken down rather than moved far away immediately, it fits the definition of weathering.
10. What process is taking place when moving water is carrying away small pieces of rock?
This is erosion. Because the water is *carrying away* (moving) the pieces, it is erosion.
Final Answer:
1. Weathering is the breaking down of rocks.
2. Erosion
3. Ice, Water, Plants, and Wind.
4. Deposition
5. The rock cracks or splits because freezing water expands.
6. Sediments are small pieces of rock or organic matter (like sand or mud).
7. False
8. Deposition
9. Weathering
10. Erosion
Parent Tip: Review the logic above to help your child master the concept of weathering erosion and deposition worksheet.
