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

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

In this experiment we will be determining whether birds prefer certain colors of seed.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

Find out whether matte or shiny nail polish lasts longer.

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

This science fair project idea compares biodiversity between drops of water.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

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

Cleaning can be a chore, but not with this sudsy experiment!

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

The purpose of this science fair project is to build a basic radio.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

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.

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

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

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Create your own cloud with an activity that will explain how important concepts such as evaporation, condensation, and precipitation work.

Try this chemistry experiment with your curious kid and get some "shocking" results!

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!