In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

In this activity, students will think about the form and function of household objects as they compare and contrast kitchen serving spoons of various sizes and designs.

In this science fair project, students evaluate if the phases of the moon affect the way people feel.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

In this science fair project, students investigate the applicability of Benford's Law to many sets of everyday data.

This science fair project challenges students to research vortices occurring in nature and then create their own vortex.

What's the difference between centripetal and centrifugal force? Students find out by seeing both in action as they conduct this experiment.

In this project students learn about the golden ratio and investigate if it can be used to predict people's assessment of beauty in others.

In this science fair project, students determine whether a bean plant grows faster and taller using a traditional soil planting method or hydroponic method.

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

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

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

Air resistance is a crucial factor when designing a parachute. In this science fair project, students find what type of material works best as a parachute.

High school students learn about resistance, resistivity, and if copper is the best metal conductor in this great physics science fair project idea.

This awesome diffraction grating experiment puts high school students' applied math skills to the test by having them calculate the wavelength of laser light.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.

How do crystals form? In this science fair project, students will use three different saturated solutions to see how different minerals form crystals over time.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

Get a cool and easy science fair project idea which helps high school students in understanding concepts behind the working of a microphone.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

High school students recreate Michael Faraday's experiment in this cool science fair project that induces current in a coil of wire.

This science project helps students gain understanding of bioluminescence, the phenomenon that allows fireflies and glow worms to give off light.

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.

Check out this fun science fair project idea for middle school students to learn about the effects of temperature on the density of a gas such as air.