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?

Science fair project that determines whether mass and weight are the same or different.

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.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

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

Your child can create his own texture tree, experimenting with design during the process. The result will be a beautiful addition to your holiday decorations

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

This science fair project examines how seeds hitchhike on animals and clothing.

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

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

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

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

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.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

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 whether writing things down really makes things easier to remember.

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.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

This science fair project idea investigates if fats add to the flavor of food.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!