Read about the mule deer, the most abundant deer in Yellowstone National Park.

Read about Yellowstone's red foxes, some of the most cunning and smart animals around.

These Valentine's Day cards will be the oddest and most unique cards your sweetie ever got!

Quite possibly the most famous constellation, the Big Dipper is a small part of Ursa Major, the big bear constellation.

Learn about some of the most common forms of energy with this helpful one-pager for third graders!

One of the most famous and easy to spot constellations is the Big Dipper! Formally known as Ursa Major, this constellation was named after a bear.

The grizzly bear once roamed across most of North America; now its habitat has shrunk to the northwest. Discover more about the grizzly with this worksheet.

Look up into the night sky, and you may see three prominent stars side by side. This is Orion's belt, one of the most well known constellations!

This worksheet features a scientific explanation and awesome photos of solar eclipses, which are extremely rare scientific phenomena.

When we get embarrassed or anxious, and all of a sudden our cheeks get red! Why does our body do this? Find out what scientists think blushing is all about.

As your child completes this science worksheet on the life cycle of a peanut, he'll get the chance to practice his sequencing, labeling, and drawing skills.

Help your budding geologist learn about these common landforms in this worksheet on peninsulas and capes.

Which animals can live happily alongside humans? With this word search, match up game, fun facts, your child will learn more about urban animal habitats.

If you know what each planet looks like, you'll have no trouble with this intergalactic crossword puzzle.

Find out how scientists explain our yawns and use the graph to keep track of your family's yawns for a whole day!

Help your child practice his science skills with this science worksheet, which will challenge his knowledge of reptiles and ask him to solve a puzzle!

Peel back the layers of the earth in this earth science worksheet. Can you name all of them?

Do you measure distance in inches or seconds? When do you use miles? Answer these and more with this third-grade worksheet about the customary system of measurement!