Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Enjoy those warm spring and summer nights with your child while teaching some basic astronomy at the same time.

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

Some fossils have been been preserved for billions of years! Help your kid understand how fossils are created and preserved with this crafty project.

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.

Start your toy engines -- this is going to be a fast and friction-filled race!

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Learn with makes water molecules work with this fun and easy science activity!

In this design challenge, your child will make a bottle rocket using typical household items.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

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

Who needs paint, glitter, or crayons when you have natural art supplies right outside your front door?

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

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.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

This science fair project idea explores substances that cause a bubble to last longer.