Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

What do you get when you combine science and fairies? Fairy scientists who make their own potion, of course! This activity promotes critical thinking skills as your child mixes, experiments, and creates their very own fairy potions.

Aquariums are usually reserved for fish, but this aquarium will contain creatures from your child's imagination!

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

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

This first grade science activity brings the green grass of early spring inside while teaching your child about the cycles of growth.

This is a fun way to introduce kids to the concept of volume, and give them a quick hands-on activity to boot.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

Help your child create a tasty treat that will demonstrate exactly how frogs survive a freezing season.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

Introduce your child to the amazing, almost magical phenomenon of static electricity!

This crafty activity provides a hands-on way for your child to illustrate how the trees look during each season of the year.

This activity allows your kindergartener to translate what they observe into a beautiful poem.

Your child can create his own texture tree, experimenting with design during the process. The result will be a beautiful addition to your holiday decorations

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

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

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

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

This classic children's game demonstrates how sound travels through air vs. through a solid.

Give your local birds a treat — and your young birdwatcher some fun — with this simple DIY bird feeder.