Help kids understand the size and scope of billions of years with this helpful reference worksheet.

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

Children will plan our their STEM design, reflect on the process of building their creation, and brainstorm ways they could make their design even better.

From nature hunts and rock painting to recycled art and poetry writing, these activities combine scientific exploration with arts and crafts projects.

In this physical science worksheet, students will review how to calculate velocity given time and distance and then apply this process to several diverse word problems.

This multi-page worksheet provides an opportunity for kids to practice both their understanding of food webs and their reading comprension skills.

Budding botanists can master the different parts of a seed with this helpful diagram!

Pull the lever on learning! Get to know one of the six simple machines with this worksheet about the lever.

In this "Inside-Out Anatomy" page you can learn about the immune system, the system that keeps us healthy and well.

Use this anatomy worksheet to learn about circulation, and see how nutrients travel to all parts of your body.

Use this worksheet to learn more about the urinary system and see how waste is processed and excreted.

Use this worksheet to learn more about the human reproductive system, and learn more about where we all started.

Learn about the most vital of vital organs in this "Inside-Out Anatomy" worksheet.

Dig in to the layers of the earth with this science coloring page!

Our solar system might fit on this cool coloring page, but in reality it's 3.7 billion miles from the Sun to the dwarf planet Pluto!

How do seeds get planted by nature? Find out how the plant life cycle is helped along by natural processes like wind or water.

Bug out on some insect anatomy! Can you name each part of the insect? Try making an educated guess by using what you already know about animal body parts.

Studying human anatomy? Here is a great sheet that shows a diagram of all the muscle system. Your child will learn the scientific terms of the major muscles.

If your child is fascinated by outer space, he'll love this solar system word search! While reviewing planet names, he'll ponder the mysteries of the universe.

In this recycle worksheet, kids color the different recyclable objects, then match them up with their corresponding bin. Try our recycle worksheet on Earth Day.

Next time you head outside for a hike or a camping trip, bring along this checklist of animal tracks!

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

Children familiarize themselves with the tracks of a duck, bobcat, coyote, deer, raccoon, and black bear in this life sciences worksheet.

Searching for a way to help you kid practice their geography knowledge? This printable is a great way to learn the countries in North America.

For all you mad scientists, here is a helpful lab safety 101! You'll get to read a few basic rules, and then complete a word search.