Science fair project that demonstrates the principle of conservation of mass by conducting a chemical reaction inside a sealed Ziploc bag.

The purpose of this science project is to determine which stimulus, gravity or water, will cause the greatest growth response in a plant.

This science fair project idea explores if an LED light can be powered by vegetables and/or fruits.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Science fair project that determines how your mirror image differs from your actual image and how virtual images are constructed.

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.

Explore properties of liquids and how temperature and salinity effect surface tension of liquids in this fun- filled science fair project idea.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.

This science fair project idea studies how talking on a cell phone affect driving?

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

This science fair project investigates how temperature of a room affects the burn rate of a candle.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

The purpose of this science fair project is to build a basic radio.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

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

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

Check out this fun science fair project idea to explore how building on different types of soil affects the relative stability of buildings in an earthquake.

This biodiversity project examines the biodiversity in your own backyard.

This science fair project idea discovers the effect of (high) heat on animal cells.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.

Start your toy engines -- this is going to be a fast and friction-filled race!

Check out this cool science project idea to explore the differences in feeding behaviors of birds and if other species of birds also have color preferences.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.