Lower School Science

Sep202011

Journey of a carbon molecule

POSTED AT 08:39 PM

You are a carbon molecule traveling through the carbon cycle. Try the activity using the link below, then share what you learned about the carbon cycle.
http://www.windows2universe.org/earth/climate/carbon_cycle.html

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Sep202011

Supercool Nitrogren

POSTED AT 07:49 PM

What happens when a balloon is lowered into liquid nitrogen? What's that slushy stuff inside the balloon? What temperature is that liquid nitrogen, anyway! Check it out! http://www.youtube.com/watch?v=ZgTTUuJZAFs&feature=BFa&list=PL37254ACCF35BE6DD&lf=mh_lolz

5 Comments Add a comment

Sep152011

Oxygen Adventures

POSTED AT 09:01 AM

Here's the link to the youtube video Oxygen Adventures. After you watch it, add a comment on something you learned. Make sure you read the other comments so you don't add the same information!

15 Comments Add a comment

Sep142011

What's the use?

POSTED AT 07:36 AM

In class, we learned that air is made of gases such as oxygen, nitrogen, carbon dioxide, and argon. Oxygen is important to us because it helps us burn our body fuel - food - and get energy. What uses do nitrogen, carbon dioxide, ozone, and argon have? Pick one gas and write something about it in your comment.

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Sep092011

Polluting our atmosphere

POSTED AT 07:28 PM

I hate sitting behind a car or truck with a bad exhaust system. You end up breathing in all those nasty fumes! That can't be good for our atmosphere! Where have you seen pollution getting into our atmosphere?

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