Check out this cool science fair idea on why hard fruits become soft and learn how to compare the sugar content between ripe and unripe fruits.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

This research project teaches students about synesthesia, a neurological condition that causes sensory overlap.

This science fair project idea produces varying pitches of sound.

This science fair project idea teaches what wildlife rehabilitators do and about the process of wildlife rehabilitation.

Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.

Do human lie detectors exist? Charge up your powers of observation to see if you can tell a lie from the truth.

Get a fun science fair project idea for high school students on the basic and current information on the process of propulsion.

Check out this cool and free middle school science fair project idea on how to make a solar oven.

The apparent movement of the sun has been used to keep time since the bronze age. In this science fair project, kids plot solar time against mean solar time.

This science fair project idea studies the acidity of rain water and whether the acidity is the same on all rainy days or does it fluctuate.

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

Test the combustion of different types of woods.

This project examines whether more expensive golf balls translate into better results on the golf course.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This science fair project examines the different composition of fungi and plants.

This science fair project idea investigates whether body language and heart rate can decipher who's lying and who's not.

Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

Is there really such a thing as healthy gum? Students will learn what factors in chewing gum contribute to healthy teeth in this exciting science fair project.

This project analyzes people's emotional responses to images in painting vs similar images in photographs.

This science fair project idea measures and compares effects of chemical weathering, specifically carbonation, on different kinds of rocks.

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.

In this experiment you simulate radioactive decay in order to gain an understanding of the basics of half-life.

Discover whether a metal will expand under hot water.

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