Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

In this science fair project, young children notice and track changes in trees throughout the year.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

Introduce your child to the wonders of colorful chemistry with this simple food coloring project.

Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

Bring the magic and mystery of the night sky to the light of day with this fun constellation art project!

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 investigates which objects float and sink in honey, water, and oil.

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.

This super fun science project, perfect for young children, combines crafts, dressing up as animals, outdoor play, and life science learning.

Kids are sure to be entranced by the magic of the ocean when they create their very own ocean in a bottle.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Test your friends to find out if you can replicate the placebo effect's incredible results.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

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

Recycling may be a confusing concept for your little one, so take the time to teach them the magic of compost - right in your own backyard!

What's a crater, and how does it happen? Here's a kindergarten experiment with safe, nontoxic ingredients.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Introduce your child to the importance of preserving the world's biodiversity by turning a lesson on endangered species into a fun game for the whole family.

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

In this CD hovercraft science project, students will construct their own DIY hovercraft.

This science fair project idea provides evidence that air is everywhere and takes up space.

This project investigates the affect of storage temperature on microwave popcorn.

Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.

Introduce your child to science with something they see everyday--their shadow!

Help your kindergarten scientist explore an important part of earth science: how soil retains water.

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