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In this worksheet, kids learn about friction by answering questions about the amount of friction in different situations.

Learn About Force: Friction

Can melted wax turn back into solid wax? Can scrambled eggs turn back into raw eggs? Learn the answers to these questions and more with this second-grade worksheet about reversible and irreversible changes!

Reversible and Irreversible Changes

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

Conductors and Insulators

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

Play Forensic Flashlight Tricks

How well does your child know the layout of our Solar System? This worksheet focuses on the biggest planet, Jupiter.

Solar System: Jupiter

In this lesson, your students will explore the properties of solids and learn to describe them in various ways.


A Solid Investigation

This science fair project idea explores whether talking to a plant will help it grow.

Talking to Plants

Help your class gain a foundational understanding of matter by learning how to conduct inquiry and gain an understanding about the characteristics of gases. This lab will have your students amazed at what is really in the air. 


You Can't See Me!

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

Color Wheel for Kids

Help your fifth grader boost her chemistry skills by filling in the missing information about the elements, using the included periodic table.

Master the Periodic Table of Elements #4

Household items and a bit of imagination will create a CSI kit for your child to have investigative adventures with. Explore the world of forensic science!

Make a CSI Kit

Right now the Earth is spinning, whether we can feel it or not. Do you know why? Uncover the science behind our spinning planet with this informative worksheet.

Why Does the Earth Spin?

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

Exploding Marshmallows! 

What is biomass energy? Learn about an important form of renewable energy with this colorful worksheet.

What is Biomass Energy

Have you ever wondered why manhole covers are round? It's a good thing to know -- big companies sometimes ask that question in interviews.

Why are Manhole Covers Round?

What is the difference between condensation and evaporation? Learn about natural cooling and heating processes that are caused by changing states of matter!

Condensation and Evaporation

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

An Introduction to Albert Einstein

Children learn why the light from the sun seems white to us, why we see objects in color, and why the sky is blue in this beautiful and fascinating worksheet.

Why Is the Sky Blue?

Get to know the&nbsp;Apollo 11 space mission in this science and history worksheet!

U.S. Space Missions: Apollo 11

Do you measure distance in inches or seconds? When do you use miles? Answer these and more with this third-grade worksheet about the customary system of measurement!&nbsp;

Choosing Units of Motion: Customary Units #1

In this teacher-approved lesson, students will make and play with oobleck (corn starch and water), then write about their experiments. Young scientists will have a blast seeing their oobleck mixtures seemingly come to life.

Ooey Gooey Oobleck

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

How A Kazoo Makes Sounds

Show your class how combining two objects can create a new object in this hands-on science lesson. Students will learn why breaking apart an object doesn't change its mass.

All About Matter: Chemical vs. Physical Changes

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Mirrors and Reflection of Light

Walk, sleep, run, eat! We're constantly using energy, whether we're moving or not. In this lesson, students learn how their bodies are constantly converting potential energy into kinetic energy and kinetic energy back to potential energy.

Potential And Kinetic Energy

Science can be sticky! This interactive lesson with an ooey-gooey ending will solidify your students&#39; understanding of the states of matter!

What's the Matter? Solids, Liquids, and Gases!

The purpose of this science fair project is to build a basic radio.

Radio Waves, It's In The Air: Build A Basic Radio

What do a bicycle and a car have in common? They both move using the simple machine wheel and axle. In this lesson, students learn about how this simple machine works, and will identify objects that use a wheel and axle.

Simple Machines: Wheel and Axle

The science of matter becomes as fun as it is educational when George gets in the mix! After watching Curious George work with his 'floppafication' pot, students will learn about matter and force.

Curious Science with Curious George

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

How Well Does Sound Travel Through a Gas? A Liquid? A Solid?

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