What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

This science fair project teaches students the differences between fruits and vegetables.

This science fair project examines how seeds hitchhike on animals and clothing.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

This science fair project teaches students about wilting and browning of salad greens.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

This science fair project idea examines the reason boats are shaped and engineered.

This science fair project idea examines whether boys and girls differ in reflexes.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Science fair project that determines whether mass and weight are the same or different.

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 examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

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.

Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

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.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

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