In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

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.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

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

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

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

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

In this project, waves of vibrations are experimented with using water in glasses.

This science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.

This science fair project idea explores the relationship between oil and water in terms of density as well as hydrophilic/hydrophobic compounds.

This science fair experiment idea's objective is to understand the general concept of an acid and a base.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

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

This project examines whether playing music during class helps students learn or if it distracts students from learning.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

This science fair project idea researches the definition of ‘biodegradable’ and explores this in a real-life setting.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

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

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

Science fair project that examines condensation and the conditions needed in order for dew to form.