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Grand Canyon

Authored by Nathan Lewallen

Other Sciences

7th Grade

18 Questions

Used 7+ times

Grand Canyon
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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Use the diagram and relative dating to determine what is the oldest layer. 

The bottom layer will contain the oldest fossils
The top layer will contain the oldest fossils
It is impossible to tell which layer contains the oldest fossils with out absolute dating
Layer A and C contain fossils from the same period

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Use the diagram and the law of superposition to make a statement about the image. 

The bottom two layers are generally the same age range
The bottom layer is most likely the oldest and the top layer is most likely the youngest
The top two layers cannot be determined because of weathering and erosion that may still be occuring

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The attached image shows the Grand Canyon. The Unkar Group shows an areas where there may have been some folding and faulting. Choose the best answer to explain what impact this may have on dating the fossils in this layer.

This may cause items dated in this layer to be incorrectly dated if the scientist only uses relative dating.
Scientists must take into consideration the folding and faulting that is happening in this image when dating the layers.
The most accurate way to date this layer of rock would be to use absolute dating.
The most accurate way to date the fossils would be to use the Law of Superposition

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sometimes sea shells can be found in strange places.  Like deserts and on mountains. Other than plate boundaries moving what is another reason for this?

The earth's tilt on its axis has changed over the years and the equator use to be farther south
Sea levels use to be much lower 
Plate boundary movement is the only correct explanation for marine fossils in strange places
The sea levels use to be much higher and covered most of the land on earth. So marine fossils are found in places far from water

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

___________ is the process of wind, water or other factors breaking rock down. This is most likely to happen on the surface of the rock where the rock comes into contact with air and water.

Erosion
Weathering
Deposition
Rock Cycle

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

________________ is the process of weathered rock pieces moving and coming together to make new rocks.  Big rocks are usually made of smaller rocks.

Weathering
Erosion
Deposition
Sedimentation

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Sedimentary Rocks are often made up of other rocks and minerals.

True
False

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