Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

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.

In this activity your child will create their very own marble maze!

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

This science fair project idea demonstrates that plants give off water.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

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

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

This science fair project teaches students about wilting and browning of salad greens.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

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

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

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

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

Using a toy race car kids create a visual model of the Doppler Effect.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

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.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

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