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This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

Discover whether people can distinguish what a person looks like just by listening to their voice.

This project examines whether people's taste perception is influenced by what they see.

In this experiment we use Scotch Guard to make sand that resists water.

This science project examines the thermal properties of several major greenhouse gases.

In this experiment, you will find out how human error can cause faults in any science task. This includes experiments conducted by famous scientists also.

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

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

What is a barycenter? Kids learn how gravity and mass influence the orbit of binary systems like planets and moons or stars and planets in this cool experiment.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

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 experiment two environments will be compared: a room with interior design that uses correct Feng Shui versus one with incorrect Feng Shui.

This science fair project idea measures physical dexterity as a function of temperature.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

Will male or female hair grow faster? Find out in this science fair project idea!

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

The objective of this science project is to determine the length of time for different seeds to germinate.

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

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Science fair project that compares the properties of different fabrics to determine whether natural or synthetic fabrics are better at wicking away moisture.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.

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

This science fair project idea determines which method of hand cleansing is the most effective.