This science project has students study the idea of human beauty.

Examine the impact of insecticides on plant growth.

Learn about our cognitive capacity of attention and to learn about factors that influence attention.

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.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Science fair project that examines how light wavelengths affect photosynthesis in the aquatic plant: Elodea.

Science fair project that tests how well various sunscreens protect skin from the sunâs ultraviolet radiation by measuring their effect on sun-sensitive paper.

Science fair project which helps you determine your latitude by using an astrolabe, which measures the angle between the North Star and the horizon.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

Learn about the factors that influence group conformity.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

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

Do people only "hear" what they want to hear? Explore pareidolia and psychoacoustics with this easy science fair project that pits melody against white noise.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

Get this cool middle school science fair project idea on how to conduct a flame test to detect the presence of certain metals in chemical compounds.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

Science fair project that determines which foods and drinks contain the highest amount of glucose.

This experiment investigates if small changes in your diet can alter your basal body temperature.

Many substances are compounds of different elements. This experiment combines iodine and zinc to make zinc iodide.

Science fair project which compares the rates of photosynthesis for various light sources. Which type of light will be best for photosynthesis and why?

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

This science project examines the effectiveness of various types of laundry detergents on stains trapped on a white handkerchief.

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

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