This experiment explores the trend of reactivity in the alkaline earth metals as you go down the second column of the periodic table of elements.

Determine if left-handed people have faster response times.

This science fair project idea investigates the difference in reaction times between boys and girls.

This science fair experiment organizes made-up elements to simulate Mendeleev when he made the periodic table of elements.

This science fair project idea focuses on two classes of sugars monosaccharides (fructose) and disaccharides (sucrose or table sugar).

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

Science fair project that measures the relative times it takes a plastic bag and a biodegradable plastic bag to decompose.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

Find out whether pacing in long-distance running actually acquires for drastic changes in finishing times versus running super-fast at the start.

Compare air temperature with the infrared temperature from a reflecting surface at different times of the day, in shade and in sunlight.

Observe trends in the properties of writing materials over past 5000 years and extrapolate to future time. Prepare a table that compares writing material.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

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

Science fair project that explore how compound motion works by examining how gravity is affected by horizontal force.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Score a bull's eye with this cool science fair project on horizontal projectile motion. Guide a marble to its target and predict its trajectory using math!

Science fair project that guides you through how to test the humidity in the environment using a homemade psychrometer.

This science project examines the thermal properties of several major greenhouse gases.

In this experiment, you will find out how human error can cause faults in any science task. This includes experiments conducted by famous scientists also.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

In this experiment you simulate radioactive decay in order to gain an understanding of the basics of half-life.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

Determine whether cats have dominant paws. Observe which paw cat uses to reach for treats, feather, and string. Calculate percentage for two paws.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!