This science fair project idea investigates food preference of birds.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Check out this cool and free middle school science fair project idea on how to make a solar oven.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

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

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

The objective of this science fair project is to determine whether planaria reproduce asexually by regeneration.

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

This baseball science fair project explores the concept of an object's center of percussion to determine if the "sweet spot" has a scientific basis.

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.

Science fair project that identifies the nature of ionic and covalent bonds and determines how ionic and covalent compounds differ.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

What is the Doppler Effect, or the Doppler Shift? The purpose of this science fair project is to determine how distance impacts the Doppler Effect.

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

Check out this cool science fair project on identifying rocks and minerals for kids.

The purpose of this science fair experiment is to investigate whether the color of your hair affects how much static electricity is carried.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

Get a fun high school physics science fair project idea one of the states of matter called plasma and the applications of this unique coil.

In this fun activity, your child will create their very own solar oven to bake s'mores!

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

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

The objective of this project is to evaluate whether a top will spin at different rates during different phases of the moon.

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.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

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

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

This science fair project idea identifies and understands adaptations in birds.