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

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

Grow borax crystals and get your child excited about Earth science with this crafty science experiment.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

Make a planter full of delicious seasonings and classic grilling vegetables, great for a Fatherâs Day gift or a fun start-of-summer outdoor activity.

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

This science fair project idea investigates the difference in reaction times between boys and girls.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

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!

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

This science fair project idea examines whether boys and girls differ in reflexes.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

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

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

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.