In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

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

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

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.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

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

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

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

This science fair project teaches students about wilting and browning of salad greens.

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.

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

Use pepper and soap to discover some fun facts about the properties of water.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

This science fair project will help students learn about non-vascular plants, such as mosses.

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

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.