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

Get a better understanding of water content by dehydrating carrots.

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

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.

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.

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

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

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

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?

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

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.

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.

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.

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!

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

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 science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.

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