In this project, vinegar and salt act as preservatives keeping bacteria from growing in the bouillon mixtures.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

This science fair project idea's objective is to understand the concept of air pollution and examine the quality of air in our environments.

It's a rare kid who doesn't like a sandbox. Next time you're out digging, build in some earth science, too.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

Try this arts and crafts activity with your preschooler: make bread from yeast dough to teach her about the science behind bread baking.

Help your own young scientist tackle the wonders of static electricity from the comfort of his own home!

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

Find out whether putting something on top of a plant will inhibit its growth.

Blanket forts are a kid classic! Let your child create a âfortress of solitudeâ on his own for reading, telling scary stories or for cozy cocooning.

This science fair project idea investigates whether plants can survive being frozen.

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

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

This play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

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

Teach your child about recycling and gardening as she re-uses an empty plastic milk gallon jug to craft a swan-shaped plant container!

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?

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