This science fair project idea investigates which objects float and sink in honey, water, and oil.

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

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

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

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

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.

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

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

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

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

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

Give your budding young observers a chance to discover simple machines at use in their own home.

This homemade parachute toy is incredibly easy to build. Plus, it gives kids an excuse to investigate and experiment...the backbone of kindergarten science.

Your child will do a fun science experiment using soap and pepper flakes to help understand the concepts of water molecules and the surface tension of water.

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

By using static electricity generated from their body, a child can cause a small fluorescent lamp bulb to light up!

Introduce your child to the amazing, almost magical phenomenon of static electricity!

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

Take advantage of the fact that ink and water don't mix and introduce your kid to suminagashi, a Japanese form of art.

How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

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