Use these STEM design challenges to foster creativity and critical thinking skills in young learners while introducing them to the engineering process.

These "Dig It!" worksheets not only teach about life on earth, they teach the scientific method as well.

What's in the ground beneath our feet? Explore the science of soil with your child using this handy printable!

Jaguars eat deer? Wow. Alligators, too? Are you kidding? What don't they eat? There's way more to learn about these intriguing eaters in this cool worksheet.

Did you know that the screw is actually one of the six simple machines? This handy machine helps to make work easier!

You have a lot in common with all the other humans on this planet. You all have noses and arms and fingernails, but what makes you different?

Explore the science of the sun with this make-your-own sundial activity! Just do a little bit of cutting and coloring, and let the sun do the rest of the work.

Learn the difference between behavioral and physical adaptations with this cut-and-paste worksheet for second and third graders!

These pictures have a lot to say! The animals in this worksheet don't talkÃbut they can tell you a lot about what they're like by the way they look.

How long does a butterfly live? Find out with this worksheet! Give your second grader a fun way to practice making graphs using given information.

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

Track down some of the most famous animals of the Amazon -- and other places -- with this rainforest coloring page that doubles as a life-science lesson.

Budding inventors can get a fun review of the simple machines with this word search.

Here are four examples of mineral resources for kids to think about, plus a short explanation of what a mineral resource is.

Little space explorers can learn about the planet Neptune with this stellar coloring page! Help your child read some fun facts about Neptune as she colors.

Is air a natural resource? You bet! Air as a resource carries oxygen, which we need. Read and write about ways air quality can be affected.

Learn some new words and facts about precious minerals with this word-scramble and matching worksheet.

Microscopes bring biology to life, allowing us to explore the world's tiniest living things. Have your child create his own organism in the sample slide.

Kids will learn about fossils in this worksheet. Help your child learn about the scientific method by getting him to examine a fossilized dinosaur skeleton.

Before trees grow into trees, they start out as little seeds. Can your child match the fruit and seeds with the trees (or plants) they came from?

Kids need lots of things to grow up healthy and strong, and plants do, too! Can your child think of things a plant needs to grow?

Hop this way for some marsupial madness! Your child can learn about the life cycle of a kangaroo, and how marsupials differ from mammals.

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.

Find a definition of what "natural resources" are, and complete the natural resources word search. It's a good vocabulary warm-up!

Learn about the animal practice of hibernation in this quick science worksheet.

Help your child learn about facts and opinions. Kids will read statements about animals before determining whether each statement is a fact or opinion.