Boiling water in a paper cup is possible because of convection and the thermal properties of water and paper. Learn how with this fun science fair project idea.

The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

Is the birthday paradox really a paradox, or just an intriguing problem that defies intuition? Find out with this birthday paradox science fair project.

This experiment will explore whether adding different substances to a gel affects its strength.

Kids love the dramatic Mentos and Diet Coke experiment conducted in this awesome science fair project.

In this project students determine which instruments composers use to create birdsongs and birdcalls in classical music.

This project examines which type of dance burns the most calories.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

This experiment investigates whether paper color influences people's ability to remember the information that they read.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

Kids learn how to make a simple electric motor in this great engineering science fair project that teaches them how current generates its own magnetic field.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

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.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

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!

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

This project compares test subjects' responses to whining and other "attachment" and attention-getting sounds to determine which sounds are most distracting.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

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

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

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

This fun middle school science fair project idea helps student discover the concepts behind deep sea diving and how Cartesian divers work.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.