The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

Challenge your learner to design and build a city of their own in this creative engineering activity.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

Teach your child how butter is created by shaking up cream the old-fashioned way.

This science fair project will help students learn about non-vascular plants, such as mosses.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

Glass is see-through, but usually you can still see that it is there. In this experiment, we use baby oil to make glass go completely invisible.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

Here is a nifty science experiment using Epsom salts to make "frost" appear on a piece of glass.

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.

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Want to spark your third grader's interest in gardening? Help him make popsicle stick fairies to decorate an enchanting garden oasis.

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

What's the quickest way to separate salt and pepper? Let static electricity do the work! Your child will be fascinated by this simple experiment.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Use pepper and soap to discover some fun facts about the properties of water.

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

Test your friends to find out if you can replicate the placebo effect's incredible results.

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.

A simple science experiment exploring the physics of water pressure that's been amazing people since Medieval times.