How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Do you think heat can affect a plant's growth rate?

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

In this experiment we will be determining whether birds prefer certain colors of seed.

Test whether plants can grow without sunlight and water.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

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

In this fun activity, your child will create their very own solar oven to bake s'mores!

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

This science fair project idea compares biodiversity between drops of water.

This science fair project idea investigates how color affects temperature.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

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

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.

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.

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.

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 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.

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.