How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Construct batteries that make electricity from fruits with this fun science fair project.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

Discover which fabrics shrink the most in the wash and why.

This fun science fair project for 8th grade demonstrates what Kepler's 3rd law predicts about a planet's orbital period and its distance from the sun.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Do males really prefer listening to male than female singers? Find out when exploring this science fair project!

This science fair project idea determines what factors influence an individual's reaction time using a web-based timed reaction test.

Determine the maximum distance traveled by projectiles launched at an angle. Use some cool math to figure out at which angle your projectile will go farthest.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

Science fair project that tests the effects of diluted soap on the size of bubbles blown from the solution. Will dilution cause smaller bubbles?

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

Science fair project that examines the effects of soap on the surface tension of water. How does soap affect the surface tension of water?

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

This science fair project determines the quality of a given product.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

Science fair project that determines whether wireless networks damage living plants. Are WiFi radiation hazardous to your health?

This science fair project idea explores which is better for diffusion and cell absorbing, more surface area, or more volume.

Check out this hot project idea to culture bacteria and determine if the claims about the anti-bacterial properties of curry and cinnamon are true.

This science fair project studies whether DSLR and Point-and-Shoot cameras work the same way under all conditions.

Research Earthship buildings. Draft a unique architectural design that repurposes used, discarded radial tires. Build scale model of structure.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

This science fair project idea quantifies exactly how accurate the cricket thermometer is.

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

In this science fair experiment, kids will use the acid test to discover how to tell one mineral from another.