Who knew that the machines of the world are all made of just 6 simple machines working together? Introduce your child to simple machines with this worksheet.

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

Every four years something funny happens with our calendars -- we add a day! Why do we do this? Discover the science behind leap year.

Teach your child the difference between potential and kinetic energy with this introductory worksheet.

Help students visualize the relationships between kinetic energy, mass, and speed in this physical science worksheet!

Learn all about charging by friction with this fascinating science worksheet for middle grades!

Science can be a bit of a bore to some students, but with this quick worksheet on chemical and physical reactions, it can at least be a breeze.

Never heard of the planet Pirjute? That's because it's Jupiter, with mixed-up letters! Kids unscramble planet names on this third grade science worksheet.

This worksheet teaches your student about physical change vs chemical change, matter, mass, and property. An exciting experiment reinforces the concepts.

Use this blank periodic table to work on your memorization of the table for your next quiz!

Explore the strength (or magnitude) of magnetic forces with this two-page physics worksheet for middle grades!

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!

What is solar energy? Discover how we use the power of the sun, and complete this worksheet about an important renewable energy source.

In this engaging chemistry worksheet for middle grades, students learn about how concrete is made and how it is used in our society.

Together, water and photosynthesis are the source of all life on Earth! Little curious minds will enjoy discovering the ins and outs of photosynthesis.

Lab mice have stolen information from these elements! Students must set everything back in order using the provided periodic table of elements.

Test your knowledge of the periodic table of the elements with this quiz page!

Practice diagramming atoms and using the periodic table to pull information about atoms with this quiz page.

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.

The periodic table of the elements is full of helpful information. Figure out how to read the periodic table with this helpful guide.

This worksheet teaches your child about physical properties of water, specific heat, kinetic energy and more.

Give your budding chemist the facts and practice she needs for measuring with graduated cylinders.

Children learn the fascinating physics behind lightning, along with a few fun facts, in this physical science worksheet.

Can middle-grade chemists recover the missing information about these elements from the periodic table?

The periodic table of the elements is an important classification system of the most basic particles that make up our world!

Have you ever wondered what keeps the moon in orbit? Newton's first law gets a quick introduction, too, in this worksheet for kids. Check it out!

Boost your chemistry skills by filling in the missing information about the elements, using the included periodic table.

Hypothesis, observation, data...with so many terms, learning the scientific method can be tricky. Learn the steps by helping Dr. McSquare sort out his reports.

Students practice classifying items as liquids or solids for a lesson on the states of matter in this fourth grade physical science worksheet.

Are students studying electricity? Give them a break from the scientific nitty-gritty with this fun word search full of electricity terms!