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	Explore Earth's Biomes? Meet Earth's Critters? Explore Underwater? Learn the Parts of a Plant? Look at Bacteria? Go Buggy? Explore Photosynthesis? Explore Animal Life Cycles? Visit the Rainforest? Learn Flower Structures?

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Falling Beauty

In the fall, the leaves on many trees turn colors like yellow, orange and red. Trees may be most vibrant in autumn, but leaves actually work throughout the year to support the tree.

-	The Leaf
-	Types of Leaves
-	Autumn Leaf Color
-	Why Do Leaves Fall?
-	Leaf Identification

Farm Animals

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Season of Slumber

Would you enjoy a nap that lasts several months? For some animals, this long sleep helps them stay safe and warm during harsh winters.

-	Secrets of Hibernation
-	Hibernating Animals
-	Where Do Insects Go?
-	How Turtles Hibernate

Learn More About...

Watch, listen or discover new and exciting things about people, places and events you want to know more about with the guides below!
	Leaves Leaves work hard to help the tree survive. Find out more about the various shapes, functions, and structures of leaves, and learn how the differences affect the tree. LET'S GET STARTED >
	Needs of Animals Wild animals need different things than human beings. From seeking shelter to finding food, animals have adapted to thrive in their environments. LET'S GET STARTED >

Cool Links

	Tree World This amazing site shows photos of most kinds of trees, including leaves and fruit!
	Tree Kit Follow these online lessons to become a tree expert.
	Waking Up Watch the video of a polar bear family waking up from hibernation.