Kids will love making clouds and learning how to make a water cycle model in this fun science fair project idea that explores evaporation and precipitation.

The apparent movement of the sun has been used to keep time since the bronze age. In this science fair project, kids plot solar time against mean solar time.

Dig into the physics of pool to explore some cool applied math and learn about what happens in an elastic collision of equal masses.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Learn how to use the Punnett Square to predict the gene combinations of dominant and recessive traits in this fun and easy genetics science project!

This science project researches the correlation between barometric pressure and wind velocity.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

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.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

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

Kids make a paperclip perform an act of magnetic levitation and test how effective various materials are at magnetic shielding in this science fair project.

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

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

This cool physics demo illustrates the simple harmonic motion of a pendulum while teaching kids the important concepts of potential and kinetic energy.

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

This project determines what category of person is most likely to be ticklish.

This baseball science fair project explores the concept of an object's center of percussion to determine if the "sweet spot" has a scientific basis.

Determine the efficiency of multi-tasking by comparing how long it takes students to complete different tasks. Collate data, complete Summary Chart.

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

Determine whether carpet placed on a lawn will kill grass and weeds. Choose an area of lawn that you would like to remove, record grass that is dead or dying.

This play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

How do search engines work? What makes various search engines different? This project delves into the world of web crawlers, caching, indexing and algorithms.

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.

Find out if most people can distinguish the difference between tones on different instruments.

This science fair project evaluates the suggestibility of males versus females in copying the actions of those around them.

This science research project challenges students to think of more effective lobster farming methods.

Monitor the impact learning how to play chess has an academic performance. Divide subjects into two groups compare GPA