The Wonders of Rocks and Minerals
Sedimentary Rocks Worksheet
By Ed Greaney
Provided by Tasa Graphic Arts, Inc.

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Lab Station #__________
Name___________________________
Directions:
Use the program on Rocks and Minerals to answer the questions below. After beginning the program, select SEDIMENTARY ROCKS from the Main Menu. Answer the questions as carefully as possible. Remember, when you are finished, it will be assumed that you understand the material that was covered in the program. If you have questions during the program, make sure you ask your teacher!

1.
What are the two methods in which rocks are weathered into sediment?

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2.
What is a talus slope?

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Sedimentary rocks worksheet - Tasa Graphic Arts, Inc.
3.
Why is it helpful to have rocks broken into smaller and smaller pieces?

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4.
What type of weathering changes the internal structure of the minerals?

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5.
What elements make up common table salt? What is the name of the mineral?

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6.
Explain how salt dissolves in water.

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7.
How is carbonic acid formed?

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8.
Explain how it helps to erode granite.

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9.
What mineral is very resistant to erosion? Where is it commonly found?

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Sedimentary Rocks Worksheet - Tasa Graphic Arts, Inc.
10.
The first stage in forming a sedimentary rock is the production of sediment. Where is this sediment normally deposited? How does it get to these places?

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11.
What are the two methods in which this sediment can become rock?

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12.
Name three types of sedimentary rocks formed by these processes.

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13.
What are the 4 main materials used to create sedimentary rocks?

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14.
How are they divided?

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15.
What is detritus?

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16.
In the space provided to the right, draw a circle that would represent the smallest 'pebble' size for conglomerate.

ROCK
SIZE
Conglomerate
 
Sandstone
 
Shale
 

17.
In the space provided to the right, draw a circle that would represent the smallest 'sand' size for sandstone.
18.
In the space provided to the right, enter a number that would represent the particle size for shale (in millimeters).
19.
Soft, crumbly rocks (such as shale) form what type of slopes?

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20.
What is the source of chemical sedimentary rocks?

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21.
What is the most abundant chemical sedimentary rock?

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22.
Name three examples of chemical sedimentary rocks.

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23.
What are evaporites? Name an example of an evaporite.

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Sedimentary Rocks Worksheet - Tasa Graphic Arts, Inc.
24.
Try matching the rocks with their descriptions in the program.
25.
What is the single most characteristic feature of sedimentary rocks?

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26.
What does cross-bedding indicate of past geological conditions? Ripple marks?

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27.
What do mud cracks indicate of past conditions?

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28.
What do fern fossils found in a sedimentary rock indicate of past conditions?

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29.
Complete this sentence:     "The stronger the water current, the ________________ the particle size that can be carried."


30.
Indicate the correct layers by dragging the words up into the small blank rectangle.

31.
Complete this next screen by dragging the correct term to the boxes at the top of the screen.

You do not have to continue on to Metamorphic Rocks at this time.