The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

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

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

The objective of this science fair project is to determine whether there are gender differences when boys and girls view optical illusions.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

This optics-based science fair project idea teaches kids about real and virtual images with a mind-bending candle illusion inspired by Pepper's Ghost.

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

Students will investigate the illumination durations and intensities of different luminous substances of different colors of the spectrum.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

Try this activity with your child to explore what happens to rain (and the living things that need it) when it becomes polluted.

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

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

What is a barycenter? Kids learn how gravity and mass influence the orbit of binary systems like planets and moons or stars and planets in this cool experiment.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.

Research what is known about Alzheimer's disease and its treatment, and then prepare a script for television to educate the public.

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.

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

Use a fish tank to simulate a pond! This science fair project explores the relationship between acid rain and the dissolved oxygen concentration of water.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

This project examines the vulnerability of fruit flies, Drosophila melanigaster, to irradiation. Will exposure result in mutations?

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

The purpose of this science fair experiment is to investigate whether the color of your hair affects how much static electricity is carried.

The goal of this science fair project is to investigate the effect of irradiation on the germination and growth of vegetables, such as the tomato plant.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

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