Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

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

This science fair project idea produces varying pitches of sound.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

This science fair project idea examines whether boys and girls differ in reflexes.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Find out whether a longer airplane will fly farther or a wider paper airplane.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

This science fair project idea determines the probability of a coin landing heads or tails.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

This science fair project idea explores whether talking to a plant will help it grow.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

In this science fair project, students make their own rain gauge to measure rainfall.