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Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Explore properties of liquids and how temperature and salinity effect surface tension of liquids in this fun- filled science fair project idea.

Free science fair project idea that examines cheating in school-age children. Project involves a task in which children are tested on various tasks.

This project explores how well couples convey complex emotions such as envy and pride to one another solely through the sense of touch.

This science fair project investigates how temperature of a room affects the burn rate of a candle.

This experiment uses a voice recorder to monitor the progression of a message in the telephone game as it deviates from the original.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

This science fair project studies which color(s) of flowers butterflies & bees are attracted to and if color plays a role in flower selection for pollination.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

This science fair project idea provide quantitative data about how well the use of ASL ( American Sign Language) works in communicating with babies.

Start your toy engines -- this is going to be a fast and friction-filled race!

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

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

Demonstrate and describe acid-base reactions of baking soda and baking powder by making pancakes.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Is it a square or a circle? See if you can trick your friends with this zany science project!

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

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

Here's a simple science activity that will help your child better understand how wells bring us water.

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 fun science fair project idea to explore how building on different types of soil affects the relative stability of buildings in an earthquake.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

In this fun science fair project idea learn about the multiple sources of radio waves and fin out how difficult it is to block them.

This science fair project idea compares biodiversity between drops of water.

This science fair project idea discovers the effect of (high) heat on animal cells.

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

2011 VIRTUAL SCIENCE FAIR ENTRY: The objective of this science fair project is to develop a microcontroller and circuit that can conduct electricity.