LandForms and Earth’s Processes

1. LandForms and Earth’s Processes Mission 2 By Tiffany West

2. How are landforms made? • As you proceed through the next part of the investigation, think about what processes might make these landforms. • Are you a good detective? • Use the clues that you have learned through your study of earth’s processes.

3. Landform 1: Springs A source of water that comes from the ground. How is a spring formed? Look at the clues in the pictures and use the context clues in the definition to be a detective. Read and watch the video and see if you were right! http://ga.water.usgs.gov/edu/watercyclesprings.html http://www.floridasprings.org/expedition/videos/ (click on “Water’s Journey” or “Springs Heartland”- Be aware that they are trying to persuade you, so be a critical thinker) http://educypedia.karadimov.info/library/geyser.swf

4. Landform 2: Stream • Watch the video and see if you were right! http://www.youtube.com/watch?v=-Z_KHVIrL4c http://www.youtube.com/watch?v=SfJ-XfPtBas A body of running water (as a river or brook) flowing on the earth What creates a stream? Look at the clues in the pictures and use the context clues in the definition to be a detective.

5. Landform 3: Floodplain • Read and watch the video and see if you were right! • See what people are doing to control these floodplains. http://pubs.usgs.gov/of/1993/ofr93-641/ http://www.youtube.com/watch?v=-PBT4OEJfGs The low flat land along a stream or river that may flood It can also be a plain that has been built up from earth left by floodwaters What creates a floodplain? Look at the clues in the pictures and use the context clues in the definition to be a detective.

6. Landform 4: Delta Watch the video and see if you were right! http://www.youtube.com/watch?v=adHiQ6Dn8DI http://www.youtube.com/watch?v=7TRvslIuXg8 A triangular or fan-shaped piece of land made by deposits of mud and sand at the mouth of a river. How are deltas formed? Look at the clues in the pictures and use the context clues in the definition to be a detective.

7. Landform 5: Valley • Watch the video and see if you were right! http://www.youtube.com/watch?v=FIn0UoeDyVg http://www.youtube.com/watch?v=APehiE08YVk http://www.youtube.com/watch?v=hwA7LXA-SCg http://www.youtube.com/watch?v=riWyekPlYNQ An area of lowland between ranges of hills or mountain What creates a valley? Look at the clues in the pictures and use the context clues in the definition to be a detective.

8. Landform 6: Canyon • Watch the video and see if you were right! http://www.youtube.com/watch?v=lN0cZg_9XeM http://www.youtube.com/watch?v=rPC6cGaJo_E A deep narrow valley with steep sides and often with a stream flowing through it. How is a canyon formed? Look at the clues in the pictures and use the context clues in the definition to be a detective.

9. Landform 7: Sinkhole • Watch the video and see if you were right! http://www.youtube.com/watch?v=hVKBR1ZlSBc http://www.youtube.com/watch?v=nGkDouBVoLs A hole formed in soluble rock by water It allows water to move to an underground passage What creates a sinkhole? Look at the clues in the pictures and use the context clues in the definition to be a detective.

10. Landform 8: Cave • Watch the video and see if you were right! http://www.youtube.com/watch?v=PpbxFpAZmSQ http://www.youtube.com/watch?v=FgRKOPz3y8U A natural underground chamber/hole or series of chambers open to the surface. How is a cave formed? Look at the clues in the pictures and use the context clues in the definition to be a detective.

11. Landform 9: Glacial Features • Watch the video and see if you were right! http://www.youtube.com/watch?v=7t0V8d7dg34 http://www.youtube.com/watch?v=-cBcMfaSxpk http://www.youtube.com/watch?v=AG3luuhc-5Y A large body of ice moving slowly down a slope or valley or spreading outward on a land surface. What creates these glacial features? Look at the clues in the pictures and use the context clues in the definition to be a detective.

12. Landform 10: Hill • Read the article and watch and see if you were right! http://education.nationalgeographic.com/education/encyclopedia/hill/?ar_a=1 http://video.mit.edu/watch/hills-and-valleys-8155/ Usually a rounded mound of land lower than a mountain. What creates hills? Look at the clues in the pictures and use the context clues in the definition to be a detective.

13. Landform 11: Mountain Ranges • Watch the video and see if you were right! http://www.youtube.com/watch?v=HVqfaUWurSs http://www.youtube.com/watch?v=N_A0q6zQv-8 A series of mountains or peaks in a line. Mountains are larger than hills and are usually greater than 2000 feet. What creates mountain ranges? Look at the clues in the pictures and use the context clues in the definition to be a detective.

14. Landform 12: Dunes • Watch the video and see if you were right! http://www.youtube.com/watch?v=OiAs1-VCsXs http://www.youtube.com/watch?v=VXDKLUA4lpE A hill or ridge of sand piled up by the wind. What creates dunes? Look at the clues in the pictures and use the context clues in the definition to be a detective.

15. Landform 13: Volcano Watch the video and see if you were right! http://www.youtube.com/watch?v=6Z4as_imJfM A vent in the earth's crust from which melted or hot rock and steam come out. How is a volcano formed? Look at the clues in the pictures and use the context clues in the definition to be a detective.

16. Landform 14: Island Watch the video and see if you were right! http://www.youtube.com/watch?v=RMtuTfAqAbo http://www.youtube.com/watch?v=CsKTzBZNjtE http://www.youtube.com/watch?v=vrD1O5hex6Y An area of land completely surrounded by water, that is smaller than a continent What creates an islands? Look at the clues in the pictures and use the context clues in the definition to be a detective.