This science fair project idea discovers the mechanism of laminar flow and encourages technological progress based on this concept.

Learn about endothermic and exothermic reactions and energy exchange by experimenting with temperature change in chemical reactions.

In this project, the affect of acid rain is simulated by the acid, vinegar.

This science fair project investigates how temperature of a room affects the burn rate of a candle.

Determine whether carpet placed on a lawn will kill grass and weeds. Choose an area of lawn that you would like to remove, record grass that is dead or dying.

Explore the concept of receptive fields and why different parts of our body have different levels of sensitivity.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

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

Try this simple activity with your middle schooler to help him develop an understanding of why scientific classification systems exist and how they work.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

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

What is the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.

This fun middle school science fair project idea explores the process of respiration and determines whether boys and girls have the same lung capacity.

Learn the chemistry and physics of the brain, how our nervous system work. Demonstrate that the brain is an electrical and chemical machine.

This science fair project idea determines if a particular chemical has an effect (increase or decrease) on the heart rate of Daphnia.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

Which sunscreen is most effective at blocking the sun's harmful UV rays? Test the SPF of various sunblock brands in this cool science project!

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Use a microscope in this experiment to learn about different kinds of "good bacteria" that turn milk into yogurt!

Kids learn about Brownian motion, diffusion, and how temperature is a key factor affecting the rate of diffusion in this cool science project.

Here's a simple craft activity that can help your youngster better visualize the life cycle of a frog as a circle.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

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.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.