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.

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.

How clean is the air we breathe? The answer might surprise you. Learn how to investigate local air quality with this cool science fair project.

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.

The project investigates how water and movement affects erosion.

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

In this design challenge, your child will create a parachute for a small toy using typical household items.

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.

The project idea is to establish whether it is easier to memorize words with fewer syllables and to understand how memory works.

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.

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?

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.

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.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.