What do you think?

Could there ever be enough technology to make Santa's trip around the world possible by mortals?

bones 12.21.11

Name a body system that helps people move.

What does a heartbeat and throwing a basketball have in common?

Bones to Muscles

In what ways do you think bones relate to muscles.

What is the difference between ligament and tendons?

Bones 12.19.11

What is the name of the cells that create bone? What are the cells that break bone down? 
Why are some reasons bones are broken down? 

Hint : page 10 tells all 

Bones 12.16.11

Bones store minerals such as calcium. What is the other major mineral that bones store? What would a lack of calcium do to bones? 


Hint : Look on page 8 of the text book

Bones 12.15.11

A thick band of bone forms around a broken bone as it heals. In time, the thicken band disappears. Explain how this extra bone can disappear over time.

Bones 12.14.11

How do you think the shape of bones relate to their function?  Name bones that we have that have different shapes.

Bones & Cells

Bones are made of cells. What are some of the cells that are in human bones and what function do the serve?

Restate the question 


3 to 5 sentences 

your own work and words 

Hint : page 10 of text book HBS

Bones 12.12.11

The skeletal system in an adult has 206 bones.  There are five  functions of the skeletal system.  Please name at least two basic parts of the skeletal system and what functions they perform. 




Restate   3 to 5     Your own work 


Hint : The five functions are listed on page 8 of the text book HBS

Bones 12.9.12

What are ligaments? Are there joints that are held together with more than one ligament? 

Restate , 3 to 5 sentences, Your work

Hint : All you need to know is found on page 11 of HBS book

Bones 12.8.12

Name and give an example of both a movable joint and an immovable joint.

What are the functions of cartilage in your skeletal system ?

Bones 12.7.11

What are the five major functions of the skeletal system?

Bones 12.6.11

How do you think that bones change over time in humans?

Bones 12.5.11

Read page six of chapter one in Human Body Systems book. 
Answer the question asked in the "What do you think ? " section. 
Write your post your response here.  The book is available in digital form on the  web site.  

 

12.2.11 Bones Begin

Write two things you know about bones or your skeleton.

Write  a question that you have about bones or your skeleton.

Cells Questions 12.1.11

How would you decide if an unknown cell was an animal, plant or bacteria cell? 

 

11.30.11

Cells are specialize within organisms. What are some specialized cells and what functions do they perform for  organisms?

A Few Cell Questions 11.29.11

What color are most cells ?

The Golgi body packages materials and moves them to the outsides of the cell. Why are materials removed from the cell?

What organelle helps to recycle old cell parts?

The Gate Keeper 11.28.22

What structure allows only certain things to pass in and out of a cell?

How is this structure different between plant and animal cells ?


Something to think about 
           Why are one celled organism so small? Why don't we ever see elephant sized single cell organisms?

11.22.11

How are cells, tissue, organs,  and organ systems related?   Use specific examples.

one cell or many 11.21.11

How is the cell of a one-celled organism different from the cells in many-celled organisms?

Cells are the same and different 11.18.11

Fig 1.  Tomato Cells

Fig 2  Potato Cells 

What do you see is the same and what do you see is different 

between the potato cells and the tomato cells? 

Can you pick out any organelles ?

Also keep in mind that the color was added to make the cell more visible . 
 

Please post using complete sentences.

nuclues and other organelles

Explain the role of the nucleus in the life of the cell?

Explain the role of at least one other organelle in the life of a cell? 

Use your book use the internet post at least two sentences 
 

prokaryotic vs eukaryotic

What is the difference between prokaryotic and eukaryotic cells? What type of cells are humans made up of?

More Cells 11.14.11

Cell Video 1

Cell Video 2

Please watch both video 1 and 2
Please post the vocab words you heard used in the video and also a minimum of two facts from the videos.

Cells 11.14.11

 

A. Name five things that are made up of cells and three things that are not. 

B. Explain your thinking. Describe the rule or reason you used to decide whether something is or is not made up of cells.

Earth Systems

We have spent the first quarter learning about the changing surface of the Earth. 

Please give examples of abrupt and slow changes in the surface of the Earth. A minimum of one paragraph will be needed to answer this question. 

PSLP 11.9.11

Many of you have presented your PSLPs 
Do you have a favorite so far?
What do you think makes a good presentation?
What do you find more interesting, models, posters, or slide shows?
Do you think we should do PSLPs again? 
Do you think a topic should be assigned?

Chapter 4 Test 11. 8.11

Please post two questions and answers from chapter 4 that I might use on the test.  If you need help try pages 118, 119,120&121 in the text book. 
Remember Post both the questions and the answer ,  minimum of two  and going beyond is always encouraged. 

Test Coming Up 11.7.11

Surface water , ground water , and ocean shoreline are the three main topic for chapter 4. Please write a post that tells how these three concepts are connected. Also do you see how they are related to the three erosional forces we studied in chapter 3 and to the two types of weathering. Your post should have at  least 5 well thought out sentences. 
 

Shore Lines

Why are some shore lines rocky and others have sandy beaches

Seasons 11.3.11

Why and how do we have seasons?  Read the diagram watch the video then write a well thought out post. 

Seasons Video  

 

River Flood 11.2.11

What causes a river to flood? Explain what dams and levees are and how they relate to flooding.

 

 

 

Hopewell Rocks

The rocks in this picture are found on the coast of Canada. How do you think these structures were formed? Google up how  high tides are at the Hope Well Rocks and in Portland Maine.

Beach 10.31.2011

List several materials that beach sand might be composed of. Where do these materials come from?

Salem Science part 2

Now that we have been to Salem what did you observe on the trip that connects to science and especially the science we have studied so far this year.

Caves. 10. 27.2011

Most all of Zetland is on a trip to Salem today, however what would a day be like with out a science blog. Please watch the video link and let me know what you think about the lehman caves.

lehman caves video l

special thanks to Jacob G for helping to find this video

Science in Salem

Thinking about the trip to Salem. How can we connect Science in Salem?

Watch the video

Do you think science could have saved the Salem from the witch trials ?

What else in on the Salem trip might relate to science in general or specifically what we have studied so far this year?

Video Salem Witch

Ground Water Pollution

Given the way groundwater collects in aquifers, how might pollution collect in aquifers? 
Do you think pollution would be easier or harder to remove from groundwater or from surface water? 

Hot Spring 10.24.2011

Imagine you are a Japanese macaque and it's a cold snowy day. What do you do? If you're lucky, you live near a hot spring where you could find a warm refuge from the winter storm. The Japanese macaque lives further north than any other ape or monkey. 

 

How can you tell the water in this spring is hot? 

Where do you think the water in the hot springs comes from? 

Discuss your ideas with  a partner  

Rate of Flow 10.21.2011

 

 How is a stream's rate of flow related to the amount of erosion it causes?  How is it related to the size of the sediments it deposits?

Old River 10.20.2011

One of the oldest rivers in the United States is the New River. 

These are some pictures of the New River. 
From the pictures what makes this look like on old river?
Google up at least two facts about the New River and post them.

White Water 10.19.2011

 

Why is most white water rafting done in young rivers? 

Have you ever been on a river like this ? 

Would you like to some day ? 

 

Rivers and Erosion 10.17.2011

Click on the links below and watch the videos. 
When you have finished watching the videos please post 
at least the following:
3 facts you learned 
2 things you found interesting 
1 question you have about the videos content. 

Video 1 Rivers 

Video 2 Rivers how the grand canyon was formed  

Rivers 10.17.2011

 

This is the Saco river.  How might the color of this river and others change after a big storm? Also what is a freshet and how have they effect the towns along the Saco river? 

Water Erosion and Deposition

Next week we start chapter 4 Water Erosion and Deposition 

Here are a some  vocab words from the chapter 

What do you think they mean?

runoff

sheet erosion 
meander 

aquifer 
geyser 

long shore current 
 

What is your favorite erosional force

What is your favorite erosional force that we have learned about so far? We have covered wind gravity and glaciers.  Coming next Water Erosion and Deposition.

Prairie grass and wheat

The roots of wheat are not very strong or deep. The roots of prairie grass are strong.  Plowing up a field of prairie grass and planting wheat could lead to erosion. 
Why might erosion occur? 
What might be done to help stop the erosion? 

 Wheat field 

 

Prairie Grass 

Mountains 10.11.11

 

Appalachian 

 Rocky Mountains

The Rockies and the Appalachian Mountains are at different stages of erosion. Do you think the Appalachian Mountains once looked like the Rockies? What do you think will eventually happen to the Appalachians and the Rockies as erosional forces work on the mountain ranges?

Gardens 10.6.2011

Consider two garden plots, one in the open country and one in a city. How would you expect the forces of erosion to be different in these two locations?

Michigan Dunes 10.5.2011

 

Sand dunes are found on the eastern and southeastern shores of Lake Michigan. However, they are not found on the western shore of the lake. Why? 

PSLP's

I have read some great proposal for personal science learning projects. Please share with the rest of the clan what you have been approved to do. You may find others doing a similar project and you could share what you learn each other.

Test # 1

Soon there will be a test over what we have learned so far this year. 

In your post today suggest a question for that test and post your answer to that question. 

Remember questions should be only about  what we have covered.

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? 

Be : Safe Polite Respectful Productive and Responsible 

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. 

Be : Safe Polite Respectful Responsible and Productive

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

Be Safe Polite Respectful Responsible and Productive

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? 

Please Be : Safe Polite Productive Respectful and Responsible when you post

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.