Have your kid build an ice sculpture in this activity that's so fast, fun, and messy it's the perfect way to demonstrate how much fun experiments can be!

Use sticks and stones to create create an outdoor version of tic-tac-toe!

This science fair project idea demonstrates sonar mapping of the ocean floor.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

The goal of this science fair project is to identify the galactic center of the milky way using globular clusters, as found through Google Earth.

This science fair project tested various nose cones to determine which would be the most ideal shape for propelling a water rocket.

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?

Check out this fun science fair project idea to measure bacterial colonies from door handles and explore the effectiveness of different cleaning agents.

The purpose of this science fair project is to determine whether Green Bags, with or without refrigeration, are most effective in preserving food.

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

In this cool psychology experiment, study how companies air commercials to strategically advertise to viewers who will buy their products.

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.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

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

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

Science fair project that tests the effects of diluted soap on the size of bubbles blown from the solution. Will dilution cause smaller bubbles?

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

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

Learn how to relight a candle by lighting the vaporized wax in the smoke, and test how various kind of wax and candle brands relight differently.

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

Help your child measure breezy weather in her environment by making a wind vane for kids, a simple version of the classic scientific measurement tool.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

Test for a correlation between perceived color and heart rate. Using a stethoscope and stop watch, measure the heart rate (beats per minute) of volunteers.

Test ability to distinguish between natural and artificial aromatherapy oils. Select fragrance, natural and synthetic sample. Volunteers state preference.

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

Determine how salinity affects the circulation of warm and cold water. Note whether the warm water mixes or forms a layer with cold water.

This science project has students study the idea of human beauty.