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Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

Test whether plants can grow without sunlight and water.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

Would you be able to tell the difference between colored contacts and natural eyes from a normal distance? Find out in this science fair project!

In this project students learn about the golden ratio and investigate if it can be used to predict people's assessment of beauty in others.

The objective of this science fair project is to determine whether drawing with the right side or the left side of your brain will produce a better picture.

This science fair experiment organizes made-up elements to simulate Mendeleev when he made the periodic table of elements.

This science fair project idea explores if objects dropped from a high distance will equal a greater impact force than the object dropped from a low distance.

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.

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.

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

Explore if planting seeds in a certain direction will affect how fast it germinates.

Does 100% Fruit Juice have more Vitamin C than juice with artificial ingredients? Find out in this science fair project idea!

In this physics project, you'll learn how to find the maximum height of a projectile using some math and trigonometry.

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

This science fair project ideaexplores whether cooking food destroys potential vitamin levels.

Learn whether dark green and leafy veggies tend to have a higher Vitamin C content than lighter green varieties.

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.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

Score a bull's eye with this cool science fair project on horizontal projectile motion. Guide a marble to its target and predict its trajectory using math!

Check out this cool science project idea to explore the differences in feeding behaviors of birds and if other species of birds also have color preferences.

The objective of this science fair project is to determine the rate at which participants can respond to different patterns.

In this science fair project caffeine will be extracted from Gunpowder Green Tea, illustrating the isolation of a naturally occurring product from a plant.

introduction to organic chemistry. study what happens when polymer molecules are mixed with borax solution.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

This project examines the affect of temperature on viscosity and surface tension of different liquids.

Here's a guide to starting a community clean-up project from scratch.

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

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