What is an Ice age ?

Your writing assignment is to write a story describing changes that might occur in a daily living if a new ice age were to begin. 
Please click on the video link, watch the video for some information about ice ages. 

ICE AGE VIDEO 1

For even more information watch the ice age video 2. 

ICE AGE VIDEO 2 

You may make a post telling what you learned or enjoyed about these videos 

Name That Erosional Force 9.28.2011

 

Fig A 

 

Fig. B 

Describe the erosional and weathering forces that are happening in fig. A and Fig. B. 

Do either fig A or B relate to glaciers? 

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The Lab 9.27.2011

Tell me about the Lab we did today and how it went, what you liked, and what you learned?

Erosion by Wind 9.26.2011

This is a sand fence on Natucket Island Mass.  What does this fence tell you about wind erosion and the dunes?  Why do you think there is more sand on one side of the fence? Why do you think the fence was put there?  Feel free to do some web research to answer these questions. Also post any additional questions that this picture brings to you. 

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More about Glaciers

This week we have learned about Glaciers as one erosional force.  Click on the link below and watch the movie and take the quiz. Then in your post, review the movie tell me what you already knew and what you learned.

The Movie and Quiz

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Erosional Forces

The two pictures above are the Grand Canyon and Mount Washington. What types of erosional forces are at work at each of these sites? Do they have any of the same forces of erosion or weathering? What are the types of weathering and erosion you might see at the Grand Canyon or on Mount Washington. Use vocabulary words from chapter 3 in your post.
Always be  : safe polite respectful responsible and polite when you post.

Rock Race

 

You may have noticed animal tracks in the sand, but have you ever seen boulder tracks? If you ever go to 

the Racetrack in Death Valley this is exactly what you will see. Rocks at the race track seem to move without any help at all. 

1. No one has ever seen a rock move at the Race track. What evidence do you have that these rocks are 

moving with out human interference?

2.  Develop and post a theory that explains the mysterious movements at the Racetrack. 

Please be : safe polite respectful productive and responsible with your post.

Glaciers

Fig 1

 

Fig 2 

What type of glacier do think is represent in figure 1?

What type of glacier do you think made the formation in figure 2?

Where in the world can you find continental and valley glaciers?

How do you think the last ice age effected ocean levels? 

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Avalanche

 

Avalanches occur when snow on a mountain slope breaks loose and slides down hill. 

1. Describe what is happening in the photo. How is the land changed as the snow and ice move over it?

2. What is the key force pulling an avalanche down hill

3. How do you think the steepness of a slope effects an avalanche 

Please : think safe. polite, respectful, productive and responsible when making your post

Erosion and Man Made Structures

The question is why is it not a good idea to build on a steep slope?


Also, say  you decide to build on a steep slope what kinds of  precautions should  be taken.

Please leave a post with your answer

Sign your post with just first name and first letter of last name.


Mr. R.