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!

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

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

Is exercise a cellular activity? Check out this fun science fair project idea to compare the carbon dioxide production before and after exercise.

In this science fair project, students will learn how to calculate the formula for the thermal decomposition of potassium chlorate.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

Figure out which fruit has the most vitamin C (ascorbic acid) in this fun science project!

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

Learn about the Atwood Machine and Newton's 2nd Law with a pulley and masses of different weights in this physics science project.

Check out this fun science project idea to get a better understanding of unstable isotopes and the process of radioactive decay of isotopes through modeling.

Science fair project that tests the effects of diluted soap on the size of bubbles blown from the solution. Will dilution cause smaller bubbles?

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

This science fair project idea examines whether music has an effect on a person's ability to complete a simple task that requires concentration.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

The objective of this science fair project is to explore whether superabsorbent polymer or hyrdrogel crystals have the best waterabsorbency.

Discover how and which salt melts ice the quickest.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

This science fair project idea explores whether cats can be trained in the same way that dogs can.

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.

This cool air pressure demonstration has kids break a ruler using only a newspaper and atmospheric pressure.

Determine how different measurements of the same object might yield different values. Provide as many reasons that you can think of.

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

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!

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

In this fun experiment, we'll find out how color affects heat absorption!