Satisfy your kindergartener's fascination of different sounds with this easy science project, where they'll use their ears instead of their eyes to identify sounds!

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

This activity provides a solution to all those leaves on your doorstep, while also giving your child a fun science lesson.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

Learn about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

Who knew that nature could get so crafty? Show your kindergartener how to collect and morph pinecones into a whole team of personalized pinecone people.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

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.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

This clay "painting" activity encourages and supports creative development and critical thinking skills.

Put those fall leaves to use with this fun art activity. Kids paint and print leaves, to make a beautiful tablecloth, perfect for your next fall celebration.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

Create a habitat for a butterfly right in your own backyard, and build your first grader's science knowledge while you're at it.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!