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.

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.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

This science fair project idea determines the most effective method of preserving food.

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

This science fair project idea investigates if fats add to the flavor of food.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

The science project fair idea explores the interaction between your nose, mouth, and brain when tasting a new food or drink.

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

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

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.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

This science fair project has kids conduct a blindfolded taste test to determine how smell influences our ability to taste foods.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

This project investigates the affect of storage temperature on microwave popcorn.

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

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

The project investigates the affect music has on plant growth while experimenting with rock, classical and no music.

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!