Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Look for correlation between pH values of commercial soaps and detergents and manufacturer claims about eye irritation hazards.

Science fair project that examines learn how the angle of incidence affects the efficiency of solar panels. How does a solar cell work?

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

Help your kindergartener identify and sort eight different kinds of common seeds on this "seed wheel" plate you can use all growing season.

Introduce your child to science with something they see everyday--their shadow!

Celebrate April showers with a springtime arts and crafts activity: make sparkly, shiny raindrops with your kid.

Does your child love learning about dinosaurs? Does he like digging around in search of hidden treasures? In this fun activity he'll do both!

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

Construct batteries that make electricity from fruits with this fun science fair project.

Young physicists learn about apparent weightlessnessâthat weird sensation you sometimes feel in elevators, turbulent airplanes, and roller coasters.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

Science fair project that determines whether disinfectant sprays or disinfectant soaps are more effective at removing bacteria from hands.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

Determine how proficient you are at making estimations and learn how to make more reasonable estimates.

Do people only "hear" what they want to hear? Explore pareidolia and psychoacoustics with this easy science fair project that pits melody against white noise.

Investigate which substances are most effective at removing salt from water.

What's the difference between centripetal and centrifugal force? Students find out by seeing both in action as they conduct this experiment.

In this fun activity, frozen cubes of paint provide your preschooler with a cool new way to paint a masterpiece.

This basketball project explores the best way to make the perfect shot every time.

Make a wish upon a tree with this craft that also helps your child learn more about Chinese culture.

This science fair project idea investigates food preference of birds.

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

The purpose of this science fair project is to investigate whether we can simulate how craters are formed and predict their size and shape.

Melt the ice, but save the lawn. The objective of this science fair project is to explore the effects of different substances on melting ice.

Explore joule heating and resistance vs. temperature with this cool electricity science fair project that gets kids melting ice cubes with resistors.