This kids' activity is fun to perform and impressive to watch. Plus, it's a great example of Newton's First Law of Motion at work.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

In this science fair project, students examine how temperature affects sugar transport within a plant.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

This fascinating science fair project explores eye color genotypes.

Check out this cool and free middle school science fair project idea on how to make a solar oven.

This science fair project idea studies past and current fads and trends.

Kids will enjoy this cool demonstration of Newton's Third Law and the conservation of linear momentum.

Illustrate the idea of light refraction with this exciting and mystifying experiment.

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

Science fair project that tests how well various sunscreens protect skin from the sunâs ultraviolet radiation by measuring their effect on sun-sensitive paper.

This activity turns your kid into the family weatherman. Plus, it teaches him to collect data and begin to understand graphing.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

Learn about the Atwood Machine and Newton's 2nd Law with a pulley and masses of different weights in this physics science project.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

In this activity, your kid has your permission to get his socks nice and filthy. In fact, it's a necessity, because those socks are going to make a garden.

Make scented sensory cloud dough. Add it to a sensory table, activity station, or put it in a baggie for extra at-the-park entertainment!

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

In this CD hovercraft science project, students will construct their own DIY hovercraft.

This project examines the phenomenon of using a mirror to trick a person's brain into experiencing sensations in body parts not actually affected.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

This experiment investigates whether the psychological phenomenon of the halo effect can be used to explain people's perceptions of others.

Science fair project that determines which types of clouds are best at blocking harmful UV radiation.

Determine how different measurements of the same object might yield different values. Provide as many reasons that you can think of.