In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

In this experiment you will replicate the mummification process by making a hot dog mummy.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

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 science fair project idea explores the different properties of matter.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

This science fair project idea explores whether talking to a plant will help it grow.

This science fair project idea determines what household items are good conductors of electricity.

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

Find out whether putting something on top of a plant will inhibit its growth.

This science fair project idea explores the different properties & interactions of sugar molecules.

This science fair project idea examines the reason boats are shaped and engineered.