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Which sunscreen is most effective at blocking the sun's harmful UV rays? Test the SPF of various sunblock brands in this cool science project!

Determine if it is easier to memorize colors, words, words in phrases, pictures or numbers. Determine at when retention rate in each category is the best.

How do cold packs work? Explore endothermic reactions by comparing the temperature change that results from various chemicals added to water to find out!

Examine the impact of insecticides on plant growth.

Explore which teeth-whitening products work best - Whitestrips or Whitetrays.

Find out whether packaged seeds actually do expire in this new science fair project idea.

Observe if dissolved aspirin will help plants grow healthier and faster in this science fair project idea.

Learn about the greenhouse effect- and get great science fair experiment ideas. Read more.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

This science fair project researches the most effective method to cut an onion and stay tear-free.

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

High school kids learn about fruit fly ethology in this cool lab that determines fruit fly movement and behavior under different conditions. Check it out.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

In this design challenge, students will be tasked with creating a bouncy ball polymer!

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

Science fair project that compares the properties of different fabrics to determine whether natural or synthetic fabrics are better at wicking away moisture.

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.

Check out this cool science project idea to explore the differences in feeding behaviors of birds and if other species of birds also have color preferences.

This science fair project compares the allelopathic chemical produced by the Black Walnut tree to a commercial herbicide in stopping the growth of a shrub.

Create a double-slit interference out of cardboard. Produce an interference pattern that demonstrates the wave and particle characteristics of light.

The objective of this science fair project is to assess the benefits of the game system for improving player performance following use.

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

This science fair project idea examines eye color genetics and the role it plays in eye color inheritance.