What happens when "coffee-addicts" miss coffee for 1 day? Find out in this science fair project idea!

The goal of this middle school science fair project is to examine the effect of caffeine on plant growth.

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

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

Think about the adaptive utility of an important aspect of our physiology.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

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

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

This project examines which style of central-air system filter traps the most particles from the air.

Find out whether packaged seeds actually do expire in this new science fair project idea.

Compare the ignition rates of various types of flame-retardant materials.

Which bread molds fastest? Explore the different kinds of breads and how quickly they mold, along with the role of preservatives.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

How do cold packs work? Explore endothermic reactions by comparing the temperature change that results from various chemicals added to water to find out!

Observe which kind of fresh long-stemmed flower will last the longest after being picked.

Free science fair project idea that examines the impact of gravity on a dropped carton of eggs. Design a device to protect the eggs from cracking.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

This science fair experiment examines the relationship between gender, age, and smiling.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

Check out this fun leaf chromatography science fair project idea for middle school students and discover the hidden pigments in leaves.

Do you think heat can affect a plant's growth rate?

This project examines various algorithms to determine the ideal algorithm for a strategy game.

This science fair project studies whether DSLR and Point-and-Shoot cameras work the same way under all conditions.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.