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.

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

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

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

Check out this hot project idea to culture bacteria and determine if the claims about the anti-bacterial properties of curry and cinnamon are true.

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?

This science fair project compares the allelopathic chemical produced by the Black Walnut tree to a commercial herbicide in stopping the growth of a shrub.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

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

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

In this project students determine which instruments composers use to create birdsongs and birdcalls in classical music.

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

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

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

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

Get a cool and easy science fair project idea which helps high school students in understanding concepts behind the working of a microphone.

This free science fair project explores the "dirty" relationship between the presence of organic material in soil and water absorbency.

This science fair project investigates which of two learning modes most commonly used in school, visual and auditory, is better for information retention.

Science fair project that measures the relative times it takes a plastic bag and a biodegradable plastic bag to decompose.

Determine which metal has the highest rate of conductivity.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

The purpose of this science fair project is to determine whether Green Bags, with or without refrigeration, are most effective in preserving food.

The purpose of this science project is to determine whether the amount of air in a soccer ball affects how far it goes when kicked.

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.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.