THE CHANGING PLANET - YOU'RE THE GEOLOGIST!

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THE CHANGING PLANET

YOU'RE THE GEOLOGIST!

It is time to review again. Make a list of the things that cause erosion and weathering. If you are having trouble creating your list, go back to FORCES OF NATURE.

DO THE WAVE!

If you have been paying attention, you should have listed at least six weathering factors. Can you think of anything else to add to the list that was not covered on another page? (Hint: Think of the ocean, a lake or a pond. Look at the graphic on the left.) Now you have at least seven things that cause weathering and erosion. Use what you know about these forces to describe how the following geological features are changed over time by filling in the blanks.

GEOLOGICAL FEATURE HOW WILL IT BE CHANGED THROUGH EROSION

Valley

Canyon

Mountain

DRAW IT!

A butte is a steep sided hill that stands alone in a flat area. Predict how the butte in the picture below might be changed by erosion. Draw a picture of your prediction in the box. How many years do you think it will take for the landscape to change to look like your drawing?

An arch is an opening in a rock that is at least 1 meter wide. One of the largest arches, Landscape Arch, measures about 30 meters from base to base. Delicate Arch, the one you see on many license plates, is Utah's most famous arch. How do you think arches are changed by erosion? Draw a picture in the box of how you think the arch in the picture below may be changed by weathering and erosion. How many years do you think it will take for the landscape to change to look like your drawing?

THINK ABOUT IT!

Running water, wind, waves, glaciers, ice, plants, animals, and gravity wear down the Earth's surface. Can you name some things that build up the Earth's surface?

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Revised March 1, 2002 by Kathleen Ochsenbein

It is time to review again. Make a list of the things that cause erosion and weathering. If you are having trouble creating your list, go back to FORCES OF NATURE.
	DO THE WAVE! If you have been paying attention, you should have listed at least six weathering factors. Can you think of anything else to add to the list that was not covered on another page? (Hint: Think of the ocean, a lake or a pond. Look at the graphic on the left.) Now you have at least seven things that cause weathering and erosion. Use what you know about these forces to describe how the following geological features are changed over time by filling in the blanks.

GEOLOGICAL FEATURE	HOW WILL IT BE CHANGED THROUGH EROSION
Valley
Canyon
Mountain

DRAW IT!
A butte is a steep sided hill that stands alone in a flat area. Predict how the butte in the picture below might be changed by erosion. Draw a picture of your prediction in the box. How many years do you think it will take for the landscape to change to look like your drawing?

An arch is an opening in a rock that is at least 1 meter wide. One of the largest arches, Landscape Arch, measures about 30 meters from base to base. Delicate Arch, the one you see on many license plates, is Utah's most famous arch. How do you think arches are changed by erosion? Draw a picture in the box of how you think the arch in the picture below may be changed by weathering and erosion. How many years do you think it will take for the landscape to change to look like your drawing?

THINK ABOUT IT! Running water, wind, waves, glaciers, ice, plants, animals, and gravity wear down the Earth's surface. Can you name some things that build up the Earth's surface?