This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

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

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.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

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

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot move in a pattern related to the sound and rhythm of music.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

Teach your child how to make an all-natural, yellow-brown dye, using just walnut shells and water. This deep dye can be used on textiles, art, and wood.

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

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

Encourage a group of third graders to play this fun game of Whistle Hide-and-Seek as a warm-up to get them prepared for finding a "lost" camper.

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

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

Beetles come in many shapes and colors. Here's how your second grade child can create his own beetles to paint and play with!

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

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

Explore scientific concepts with this experiment that introduces kids to the scientific method!

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

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

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Instead of the traditional egg hunt, try this creative variation that will result in a beautiful Easter garden.

This first grade science activity brings the green grass of early spring inside while teaching your child about the cycles of growth.