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

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

This science fair project idea explores whether white light can be separated into different colors.

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

Encourage local wildlife to settle down in your backyard with this adorable bird nest craft.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

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

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

This science fair project idea determines if the color of light affects the growth of plants.

Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!