What exactly are the states of matter? – Tammy, 7, Miami
No matter if you are a cat, a person, or a snowball, we have one thing in common: We are all made up of matter. Most everything that we see in our world is made of matter. » More …
Why does soda fizz? -Emily, 9, Florida
If you’ve ever had flat soda, you know a sip isn’t the same without some fizzy bubbles. We can hear them pop and feel them burst on our tongue.
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How does snow form? -Susan, 8, Lake City, South Carolina
It just so happens that when I looked out the window here in Pullman, Wash., everything was covered in glittering snow. I watched it fall from the sky and wondered how exactly it formed, too. » More …