Grades 6-8

polar-projection_thumb

Polar Projection

If you've ever compared a map of the world and a globe, then you've seen how Antarctica can get really distorted. See how a polar projection map solves that problem.

Types of Antennae

Diagram

Types of Antennae

Arthropods may use antennae to touch, smell, and even hear the world. But that doesn't mean that all of these appendages look the same. From featherlike to clubbed, see the wide variety of antennae.

Who Are the Plants?

Article

Who Are the Plants?

There are 10 divisions in the plant kingdom. The largest order, flowering plants, has 235,000 species. The smallest, gingkoes, has a single species. Learn more about the orders in the kingdom Plantae.

Types of Compound Leaves

Diagram

Types of Compound Leaves

Is your compound leaf pinnate or palmate? And if it's pinnate, is it pinnate odd, pinnate even, or twice pinnate? Find the answers easily with this illustrated guide.

SELECT PAGE