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

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

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

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

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 project, kids measure how weather conditions affect how fast a puddle evaporates.

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

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

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.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

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

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.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut 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.

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

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

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

This science fair project idea investigates how the shape of an object affects drag.

Plants need water to grow. In this project we learn how plants transport water from their roots to their leaves

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

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

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

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.

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

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