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The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

Science fair project that helps visualize how the human brain functions by constructing a model of a brain.

This experiment will explore whether fractals really repeat themselves infinitely.

Test whether spot magnets can help improve the symptoms of an injury.

In this science experiment, test the pH of soil surrounding a gas station to determine if gas stations have a negative effect on the environment.

Make a list of items that need repurposing such as e-waste, batteries and mattresses. Invent your own original repurposed design.

Develop a new system for predicting geographic changes. Demonstrate the nature of geographic change. Make logical predictions.

This project researches whether the type of land use affects the water quality of Queenstown Creek.

This experiment observes inattentional blindness and investigates whether certain age groups or genders are more likely to demonstrate this phenomenon.

Do you think heat can affect a plant's growth rate?

In this wind tunnel experiment, you'll make a wind tunnel to test lift and airflow on a model plane and explore aerodynamics and the Bernoulli Principle.

Use applied math to model orbital eccentricity in this cool science fair project for 7th grade.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Use a dichotomous key to identify plants or animals.

This science fair project idea tests the efficacy of both synthetic and natural antibiotics.

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.

This fun science project explores the climate change over the course of the history of Earth and helps construct a diorama representing a geologic time period.

Thoroughly research image search engines. Consider possible improvements for visual search engines. Help design better image-matching engines.

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.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

Want to give your teen some insight into the scientific method and get the house cleaned? This activity promises both!

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

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

Build basic projector out of ordinary materials. Create several color transparency slides, demonstrate your creation.

This experiment investigates whether the psychological phenomenon of the halo effect can be used to explain people's perceptions of others.

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

This science fair project idea investigates how images are influenced by changes in light.

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