Alternative Energy
Alternative Energy »

Trees
What are the biggest living things on Earth? Did you guess whales or elephants?The winner is not an animal at all. It is a kind of tree called the coastredwo... »

The Tanner
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The Blacksmith
The Blacksmith »

Controlling Earth's Pollutants
Controlling Earths Pollutants »

The Atlantic Ocean
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Greece
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The Microscope
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Protecting Earth's Food Supply
Protecting Earths Food Supply »

Plants Need Sunlight
Have you ever wondered what plants eat? The truth is amazing. Plants donat eatat all Instead plants make food inside their bodies. Using hands onactivities y... »