Let your curious kid learn a little bit about how fireworks work in this summer science sheet.

Learners will discover a simple overview of the human muscle system in this introductory worksheet.

Find out everything you need to know about lightning rods! These metal poles have quite a special relationship with lightning.

This worksheet will help your child identify the different parts of the body by asking them to fill in the blanks on the diagram.

Observe different forces at work with this kindergarten and first-grade worksheet!

Learn all about the science of the movies and the basic concepts behind how they work.

Find out all about the different parts of the eyes and how they work together to make vision possible.

Introduce your child to the inclined plane, one of the six simple machines that helps to make work easier for us!

Children work on pattern-spotting and observation skills as they determine which of these six type of creatures is a bird.

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

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

What is energy? Energy is the ability to do work! Use this colorful worksheet to teach your little scientist the basics of energy.

Magnets are fun to play with, but how do they actually work? Have your child circle the objects he thinks the magnet will attract.

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

A lot of common objects use electromagnets to work. This word search will get your child thinking about all the electrical and mechanical devices around her!

Find out how colors work with an intro to the color spectrum. Kids will investigate the seven colors of the rainbow and do a color wheel experiment.

Learn more about how plants work with this cool celery experiment! Use this worksheet to help you record your observations after doing this experiment.

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.

Guglielmo Marconi was a man who made waves in radio and sound. Learn about his life and work, then answer a short essay question in this science worksheet.

Meet the master of compound machines: Rube Goldberg! His wacky contraptions put a whole new spin on the use of simple machines.

Help your child learn about the nervous system and the digestive system with this fun worksheet, which will challenge his knowledge of physiology.

Fossils have a lot to teach us about life on earth, but they can also be used to help teach kids the scientific method.

Crank out a better understanding of simple machines with this worksheet all about the wheel and axle!

Who knew coloring could be so educational? Learn the formal names of a spider and calla lily with this coloring page.

This worksheet featuring food and natural resources touches on the subject of food chains.

The earth is always changing and moving.Learn all about weathering and erosion with this worksheet.

Looking for a quick reference about gravity and a definition for kids? This two page worksheet and activity has you covered!

Is your fourth grader learning about electricity? This worksheet is all about circuits, tests her skills and reinforces the concept of how a circuit works!

Introduce children to physicist Albert Einstein — and a bit of theoretical physics — with this mini biography.

Does your second grader love farm animals? This easy writing exercise will help your child be more observant about tracks left by some familiar animals.