You are learning to ride a bike. Where would be the safest place to learn?

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3rd Grade Science Core
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I'm Falling Down and I Can't Get Up!


In this section of Sci-ber Text you have learned about gravity. It is always working, pulling objects to Earth.

Test your gravity knowledge with these questions:

How does gravity help you on a playground?

When does gravity slow you down?

Movers help people get their furniture from one house to another. How can they get heavy items into a truck? Click the hint button if you need help. Click the answer button to see if you are correct.

Which is easier for a truck's engine.


You are learning to ride a bike. Is it safer to learn on a:


Think of and test some questions about gravity and forces. You may want to make a book of questions and answers. Here are some to get you started.

  • What falls faster, a big rock or a small one?
  • Why do feathers fall so slowly?
  • Why does rain sometimes seem to fall at an angle?
  • Why does my pencil always roll of that one table?
  • What tool can I hit the farthest with?
  • What kind of ball can I throw the farthest?
  • Why do golf balls have those little bumps?
Congratulations! You have learned the down-to-Earth stuff about gravity. Stay with us. In the next section of Sci-ber Text things are really heating up!

Download the plug-ins: Get Adobe Acrobat Reader, and Get Quicktime Player. (The QuickTime plug-in is needed to play sounds and movies correctly.)

Want to share photos of you or your friends doing this activity? Send it in an e-mail with the following information:

  1. The title of the activity
  2. The URL (Internet address)
  3. Your name.

Remember that no pictures can be used that show student faces or student names on it. 

Teachers should view the Teacher Site Map to relate Sci-ber text and the USOE 3rd grade science core.

Updated October 24, 2008 by: Glen Westbroek

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