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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

If you push your little brother, does he push back? Well, according to Newton's third law of motion, he does!

Newton's Third Law

Some devious mice have stolen important information from the periodic table. Can your fifth grader put the elements back together again?

Master the Periodic Table of Elements #9

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

Master the Periodic Table of Elements #2

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

Engineers in training can get started with this simple wheel-and-axle construction activity.

Wheels and Axles

Teach your child how we measure temperature with these printable thermometers!

Blank Thermometer

Give your child a painless beginner's introduction to the periodic table of elements with this fun worksheet.

Master the Periodic Table of the Elements #6

Help your own young scientist tackle the wonders of static electricity from the comfort of his own home!

Static Electricity Comb

Science isn't ho hum anymore when it involves building catapults to teach your fifth grader about projectile motion.

Ready, Aim, Marshmallows!

Teach your kids about entropy with this fun, easy exercise, and teach your money to dance while you're at it!

Pop Bottle Science

Satisfy your sweet tooth with this easy summer activity! Make homemade ice cream and let your child practice his science skills.

Homemade Ice Cream Maker

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

Firework Science

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

Physics Magic Trick

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

Dancing Raisins

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

Egg in a Bottle

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


A Solid Investigation

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

The Red Cabbage Acid Test

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

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

Homemade Lava Lamp

Show your child how to concoct a simple duo of household ingredients that changes color as acids and bases are added!

Watch Acids and Bases Produce Colors!

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

Measuring Water

Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!

Explore Surface Tension

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

Oobleck Science: Solid or Liquid? 

Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.

Measure the Moon

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Drum Size and Pitch

Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.

Yeast Balloon Science!

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

Volcano Project

This classic children&#39;s game demonstrates how sound travels through air vs. through a solid.

How Sound Travels Through Air and Solids

This science fair project idea produces sounds by creating vibrations using different objects.

Creating Sound Through Vibrations

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