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

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

Here's an investigative activity in which your child will discover real-world names and uses for sugar and find out how it is hidden in many different foods.

Find out whether matching resonant frequencies can cause objects to shatter.

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.

.Have you ever had problems with your wifi signal strength? In this experiment you will learn about how wireless signals pass through the air and solid objects.

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!

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.

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.

Teach your little scientist about the amazing powers of gravity by comparing the falling speeds of two yummy fruits

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

Teach your preschooler some physics that she can relate to with this fun and simple activity!

This science fair project idea shows how a vibrating object transfers energy to whatever it touches.

Demonstrate how we are able to locate sounds, echolocation. Have a blindfolded subject locate you by the sound of your clapping.

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.

This kids' activity is fun to perform and impressive to watch. Plus, it's a great example of Newton's First Law of Motion at work.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

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"!

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!

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

In this challenge, students are tasked with creating a car that can be powered by a balloon!