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

What happens when colored beams of light mix? You might be surprised.

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

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

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.

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

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.

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 that examines how temperature affects density and how density in turn affects the behavior of helium gas.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

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

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

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

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

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

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

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

This science research project challenges students to think of more effective lobster farming methods.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

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?

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

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.

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