Construct and experiment with a periscope using reflected light rays to gather an image.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

This science fair project idea investigates the difference in reaction times between boys and girls.

This science fair project idea provides evidence that air is everywhere and takes up space.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

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

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

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

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

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

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

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.

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

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

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

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

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

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

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

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

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.