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.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

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

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.

This project examines whether people's taste perception is influenced by what they see.

People have favorite flavors, but what about ants? Which ant food is the most popular?

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.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

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

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

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

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

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!

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.

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

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

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

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?

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

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

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.

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 is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

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

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

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

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

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

In this project children practice the scientific method while playing with puffy paint.