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

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

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

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

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

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

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

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

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

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

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

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

Test whether plants can grow without sunlight and water.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

This project examines whether people's taste perception is influenced by what they see.

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

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

In this project children practice the scientific method while playing with puffy paint.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!