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.

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

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.

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.

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

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

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

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

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.

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

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

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.

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

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

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

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

Help your child learn about animal classification with this fun and delicious activity.

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.