Scientists ask and answer questions. You are a scientist. Look around. You can ask questions about what you see.
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In the Know
How Does a Thermos Work?
Do you have a thermos? They keep hot drinks hot … read more
In the Know
Where On Earth Is Antarctica?
It is January. Let’s look at the coldest place in … read more
In the Know
Special Money
The United States Mint makes the money we use. The … read more