What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

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

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Bring a little science to your third grader's Christmas as you test out his sense of smell by exposing him to common Christmas scents found in your kitchen.

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

Teach your child to dye eggs with natural ingredients from the grocery store. From pink to gold, these eggs are perfect for hiding, hunting or simply munching.

Let your second grader pay homage to an ancient Olympic tradition with this modern day Olympic wreath!

Make a spring collage with your child to get them outside and those creative juices flowing!

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

Come take off your shoes and explore with your feet. Your child will embark on a barefoot adventure as he plays with different textures.

Creating a home for a toad is an easy and fun project for kids. Here's how to make your very own toad abode.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

This weather spinner will improve observation skills by encouraging children to examine and track weather details and patterns.

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!

Help your child make a beautiful homemade sandcastle that will last!

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?

Learning about how plants grow is a building block in the early grades science curriculum. Put a fun twist on this life science concept with these cup monster friends!

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.