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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

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

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!

Challenge your child's knowledge of astronomy with this space-themed worksheet, which focuses on the timing of cosmic events.

Earth Rotation

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

Matter Mixup: Writing Solids, Liquids, and Gases

Warm up your scientific thinking with this colorful worksheet!

Heat Detectives: Tracking Heat Transfer

Discover the science behind an ages-old 4th of July tradition with this firework diagram.

Firework Diagram

Practice using the periodic table to calculate the number of neutrons in the atom of an element.

Number of Neutrons

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!

Electromagnet Word Search

Learn about the texture and hardness of different objects in this second-grade worksheet!

Texture and Hardness #1

Discover different types of energy with this third-grade science worksheet!

Identify Forms of Energy #1

Match forms of energy to common examples in this third-grade science worksheet!

Identify Forms of Energy #2

Children will connect their understanding of gases to real-world items as they circle all of the pictures showing gases.

Matter Mixup: What Is a Gas?

What do juice, water, and tea have in common? Compare and contrast matter in this engaging second-grade worksheet!

Comparing Matter #1

See if you can identify the objects that let light pass through them with this kindergarten and first-grade worksheet!

Light and Objects #2

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

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

Help your kindergarten scientist understand the concept of surface tension with this simple science experiment.

Have Fun With "Weird" Water

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

Make a Sand Clock

Teach your child about using pumps to move water in this simple and educational preschool science activity!

Pump It Up!

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

Pendulum Waves

Help your first grader explore the world of scientific measurement by "weighing" fruit with a "water scale"!

Measuring Water

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

The Effect of Temperature on the Speed of Sound

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

Study Game: Planets!

Before digital cameras, before Polaroids, there was the original pinhole camera. Build a pinhole camera and see what true vintage photography looks like!

Build a Pinhole Camera

Read about Alexander Graham Bell, the man who made it possible for us to stay connected all day long, in this biography that comes with a science experiment.

Alexander Graham Bell

Explore the chemistry of latex polymers with this outrageous, hilarious science activity.

Skewered Balloons!

The objective of this experiment is to identify common materials that absorb sound waves with the greatest efficiency.

Acoustics: The Study of Sound

When you see those sunscreen "protection levels," what does that really mean?  Try this experiment to find out.

Sunscreen Experiment

Future whistleblowers can learn about product safety standards with this exercise in writing and researching.

Consumer Product Safety

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

"Oil Painting" for First Grade Scientists

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