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.

Can you explain why your blue shirt is blue? This worksheet is full of facts about light and how it reacts with objects to give us the perception of color.

When we push or pull an object, we exert force on it. Get your child thinking about force by challenging him to describe how each person is exerting force.

Review the terminology of collisions with this engaging crossword puzzle for fourth graders!

Fly high with The Wright Brothers, two siblings who soared to the forefront of history with their design for the first modern airplane.

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

Create the most effective solar cooker in this engaging energy-focused worksheet!

Learn about the similarities and differences between objects in this colorful science worksheet!

Be a glow-getter with this energy transfer worksheet!

Get a brief history of the atom with this introductory page for young physicists!

Here is a brief introduction to The Great Pacific Garbage Patch for kids!

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

What is the water cycle? We're glad you asked! Learn about this amazing natural system that's been working for billions of years.

Learn how conductors and insulators affect the flow of electricity in this helpful fourth- and fifth-grade worksheet!

Listen closely! Do you hear anything? Identify examples of sound energy in this kindergarten and first-grade worksheet!

Take a science-filled trip to an amusement park in this third- and fourth-grade worksheet!

Kids practice identifying solids for a lesson on the states of matter in this 1st grade physical science worksheet.

This worksheet uses a paper bird to demonstrate center of gravity, and practices following directions and fine motor skills.

A handy worksheet that breaks down the properties of metal. A good physical science review sheet to keep around for reference.

Here's a thorough, easy-to-understand breakdown of the color wheel that includes primary, secondary and tertiary colors.

Students flex their physical science knowledge by classifying items as solids or liquids in this fourth grade states of matter worksheet.

Kids write down examples of solids, liquids, and gases in this 1st grade physical science worksheet that focuses on the states of matter.

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.

Kids practice identifying liquids for a lesson on the states of matter in this 1st grade physical science worksheet.

For each item on this first grade science worksheet, kids match a piece of clothing with the thermometer showing a temperature for wearing the item of clothing.

Kids draw examples of solids, liquids, and gases in this 1st grade physical science worksheet that focuses on the states of matter.

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.

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

What is water energy? Also known as hydro power, water energy is one of our important renewable resources!