The goal of this science fair project is to attempt to build a perpetual motion machine and analyze the Laws of Thermodynamics.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

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

Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.

Did you ever drink spoiled milk? Find out whether whole milk spoils at the same rate as 2% and skim milk.

This science fair project idea explores the fastest average speed a human can talk.

Test of the effect of exercise on rote memory. Prepare a single list of 40 randomly chosen words. Have volunteers recall as many words as possible.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

Demonstrate that insects observe colors and choose favorites. Place colored pieces of construction paper on a flat, glassy surface, observe bug preference.

The objective of this science project is to determine whether the brain first processes colors, shapes, or words when given conflicting messages.

Learn about how sugar fermentation and growing yeast in this easy science project! Yeast is a eukaryotic microbe that puts the fun in fungus!

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

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

Explore whether pianists have the tendency to type faster than non-pianists.

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

In this cool sound resonance experiment, learn about frequency and pitch, and use a tuning fork to calculate sound velocity in air.

Study blind spots, run experiments in blind spot detection, design an original blind spot experiment, test your design on volunteers

This science fair project idea examines whether people can decode scrambled messages.

This conservation of energy demonstration shows why the first hill is the highest on a roller coaster. Learn more about potential and kinetic energy!

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

Do people only "hear" what they want to hear? Explore pareidolia and psychoacoustics with this easy science fair project that pits melody against white noise.

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.

Check out this cool science fair project idea to explore short and long term memory and whether there is gender differences in memory.

Kids build a rainforest food web to explore trophic levels in this cool science fair project for 4th grade.

This experiment investigate whether children in different age groups learn better from a computer program or a human teacher.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

This science fair project examines whether ocean water can be made safe to drink.

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

This science fair project idea addresses tempo, and whether faster or slower music works better as a study aid.

This experiment evaluates how much influence an enticing package has on childrensâ willingness to try a new snack.