Here is a snow day weekend challenge.
Either confirm or bust the myth that a snowball rolling down a hill will continue to get bigger and bigger as it rolls.
After you watch the video, use the comment box to give your verdict.
Here's an even bigger challenge. Create your own response to this in any kind of format you want. Make your own video. Make diagrams and drawings and share them with us. Share the challenge with friends all over.
Keep your comments family friendly please. Enjoy.