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Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

In this science fair project, students create their own miniature salt flats at home.

Learn all about balance and motion as your child designs a corn maze!

This science fair project investigates why the number of visible stars changes from place to place.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

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

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

This science fair project idea examines which type of insulation holds in the most heat.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

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.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

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

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.