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3rd Grade Science Core
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Here Comes the Sun!


Lizards are cold-blooded. It doesn’t mean they are really cold. It just means their bodies match the temperature of their surroundings.

When it is cool, they don’t move around much. They need to heat up to be active. A lizard loves to find a rock in the sun where they can warm themselves. When they become too hot, they move to the shade again.

We all depend on the sun. Plants make food from sunlight. Some animals eat the plants for food. In a way, their food also comes from the sun. When the plant-eating animal is eaten, the sun’s energy is passed on again.

Look at the picture below. Click on everything you see that uses heat and light from the sun.


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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