Alfred Nobel, though he held over 300 patents in his lifetime, is most famous for inventing dynamite.

The rainforest is a vibrant, lush place teaming with life! Your little nature explorer can take an expedition to find the many hidden animals in this scene.

Who is this Frankenstein guy anyway? He's not the monster -- he's the guy who invented him.

Young inventors will have a blast with this worksheet on compound machines! Use three of the six machines together to make work easier.

Learn a little bit about green tree frogs (like that they sleep on the underside of leaves!) and then color in this scene of them at the zoo.

Meet Michael Faraday, the inventor of the first electric motor. Without Faraday, who knows if we would even have working cars, airplanes or even clocks!

This coloring page doubles as an info sheet, all about the burrowing owl! Your child will get to draw his own owl using the grid helper.

Animal lovers, get acquainted with a very unique species, the okapi! Read this info-sheet to learn about why this animal is endangered.

If your child is studying life science, introduce her to all the strange animal pairs that work together in the wild.

A fun challenge for kids, this Earth Day crossword puzzle is a great way to review facts about the Earth and get a reminder on how to live green.

There aren't many blue animals out there, but here's one that will be fun to color: the blue dart frog. Its bright color warns predators that it is poisonous.

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.

Learn your clouds with this coloring series of cloud types that merges science with coloring fun.

These clever birds harden and disguise themselves as tree branches when threatened. Learn more and do some coloring with this worksheet.

Get the facts on the beautiful elk, an American treasure and a symbol of Yellowstone National Park.

This science worksheet tells all about James Watt, the man that powered the Industrial Revolution.

Learn all about rollie pollies, a small but unique creature that always fascinates little kids. There's even a bit of rollie pollie match to boot.

Use this fun frog worksheet to practice place value and expanding numbers.

Your child has probably tried a potato, but does he know the process it goes through to make it to the table? Find out with this life science worksheet.

In this worksheet, children practice identifying animals of North America by their tracks.

Let your kid's knowledge of leaf vocabulary climb as high as a tall, tall tree with this fun word search.