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The purpose of this science fair project is to determine whether Green Bags, with or without refrigeration, are most effective in preserving food.

What is a series circuit and how does it work? Learn about voltage, electrical current, and resistors in this cool science experiment!

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Demonstrate how we are able to locate sounds, echolocation. Have a blindfolded subject locate you by the sound of your clapping.

This science fair project idea investigates how different disinfectants work in killing germs.

Test whether cutting up meats will make it cook faster than just cooking it whole.

Examine how a battery can be made from everyday materials.

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

This experiment uses Rosenberg's Self Esteem Scale to evaluate if there is a correlation between family size and self esteem.

This science fair project idea compares the mass and density of objects.

This project examines which type of dance burns the most calories.

The thermometer outside is dip, dip, dipping! What kind of clothes will keep you warmest this winter? This project determines which materials insulate best.

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

Discover whether cheap saline solution bottle cleans and disinfects just as well as more expensive kinds formulated with different ingredients.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

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

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Demonstrate the capillary function in plants by adding food coloring to glasses of water. Slice stalks of celery and leafy tops. Compare color of leaves

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Learn about our response to scents that existed in our environment over evolutionary time and consider why scents might affect our mood state.

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

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

This science fair project idea discovers whether plants grow best in chemical fertilizer, organic fertilizer, or with no fertilizer at all.

In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

What does yeast eat? Sugar, of course. But yeast also has some powerful enemies in the form of antifungal agents! Kids test them out in this fun yeast lab.

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

Use applied math to model orbital eccentricity in this cool science fair project for 7th grade.