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

Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

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.

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

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

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

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

Hold a magnet marathon! Explore the power of magnets with your kindergartener in this entertaining and simple science game.

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.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

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

Create your very own scented hand sanitizer that will help your child to keep those nasty germs at bay!

In this awesome science fair project idea, kids will be attempting to pick up different objects using snail slime.

This is a fun and inexpensive project and it's a great way for your child to build basic geometry skills, like shape recognition and pattern/angle familiarity.

Help your child explore chromatography, which is the process of separating colors or pigments, and create a neat art project in the process!

Make scented sensory cloud dough. Add it to a sensory table, activity station, or put it in a baggie for extra at-the-park entertainment!

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

Use popcorn in this tasty experiment to explore the five senses at home with your kindergartener!

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?

Set up a fun guessing game for your curious kindergartener, one that will test her ability to use all five of her senses.

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

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

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 activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

Help children understand the power of germs and the importance of hand washing with this visual activity that introduces the concept of scientific inquiry.

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

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

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