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

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.

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

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 air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

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?

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

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 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!

The objective of this science project is to determine the length of time for different seeds to germinate.

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

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

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

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

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

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

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.

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.

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.

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.