Grades 9-12

Leaf Shape

Diagram

Leaf Shape

More than likely with a good guess you could detect a heart-shaped leaf from one that's oval or narrow. But do you know how to recognize a leaf that has a lobed or divided shape? Learn how. 

Parts of a Flower

Diagram

Parts of a Flower

Go beyond petals and leaves! Learn how to identify a flower's stamen, anther, filament, stigma, and more with this illustrated look at the parts of a flower. 

Who Owns These Bones?

Activity

Who Owns These Bones?

What can scientists know about a creature by examining its bones? And what can they only guess at? Show students with this hands-on activity. 

Science World: Mythical Creatures Revealed

Article

Science World: Mythical Creatures Revealed

From fire-breathing dragons to magical unicorns, take a look at four legendary mythical creatures. Then find out what scientists think may have sparked belief in these imaginary animals.

Is There Biodiversity in Our Backyard?

Activity

Is There Biodiversity in Our Backyard?

You just might be surprised by how diverse and interdependent the living things around your school are. Investigate a patch of sidewalk, a grassy or wooded spot, or even someone's front yard.

Journey to a Black Hole

Article

Journey to a Black Hole

If you could take a trip to a black hole, would you? Before you answer, take a peek at what you'd encounter. The trip certainly would qualify as adventure travel!

Go on a Genetic Journey Quiz

Activity

Go on a Genetic Journey Quiz

Can you curl your tongue? Do you have a "hitchhiker's thumb?" Investigate which of these four traits you share—and which of them are rare. 

meet-the-relatives_thumb

Meet the Relatives

How are you like a chimpanzee? In what ways do you differ from a Neanderthal? Find out with this detailed, interactive look at humans and their closest cousins.

Frozen in Time (Science World)

Staff Profile

Frozen in Time (Science World)

Meet an AMNH scientist who manages one of the world's largest frozen tissue collections. Then take a peek inside her cryovats, where animals on the brink of extinction remain frozen in time. 

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