Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

Determine if each hemisphere specializes in dealing with specific functions. Include illustrations of the brain, it hemispheres.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

This project involves the programming and development of a 3D Rubik's Cube application using C++.

Science fair project that explains and demonstrates the parallax principle.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

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

In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.

This science fair project evaluates which sense produces the fastest response time: hearing, touching, smelling or seeing.

This experiment will evaluate how texting and talking on cell phones influence reaction time.

What's the difference between centripetal and centrifugal force? Students find out by seeing both in action as they conduct this experiment.

This science fair project idea examines various dead zones and investigates the cause and how it can be fixed.

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

Check out this fun science fair project idea to measure bacterial colonies from door handles and explore the effectiveness of different cleaning agents.

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

The objective of this science fair project idea is to determine whether frozen vegetables have more nutrients than canned vegetables.

Kids use applied math to build and test a parabolic mirror solar hot dog cooker in this cool engineering science fair project idea for middle school.

Determine which factors promote the greatest memory interference. Administer test, time how long it takes subjects to complete different tasks.

In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

Determine whether fresh vegetables have more calories or less calories than canned vegetables.

This middle school project examines the strength of horizontal versus vertical pointing eggshells.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

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

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