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

This science fair project idea explores the egg's thin membrane.

In this science fair project you will make a model of a cell membrane using very simple material.

This science fair project idea investigates how color affects temperature.

This science fair project idea investigates if fats add to the flavor of food.

Want to boost math and science learning? Take a bug expedition and give your first grader practice observing and charting what they see.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

Find out whether matte or shiny nail polish lasts longer.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

Find out whether a longer airplane will fly farther or a wider paper airplane.

Construct batteries that make electricity from fruits with this fun science fair project.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

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

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

This science fair project idea determines the probability of a coin landing heads or tails.

This science project allows students to study the psychology of happiness.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

This science fair project investigates why the number of visible stars changes from place to place.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

This project investigates the affect of storage temperature on microwave popcorn.

Delay your child's sugar overload, and develop his critical thinking skills, by doing some "sweet sorting" of his Halloween treasures!