This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

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.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

In this project, you will observe and record changes in sunspots over two weeks.

Glass is see-through, but usually you can still see that it is there. In this experiment, we use baby oil to make glass go completely invisible.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

How do organic materials become soil? This science experiment measures what materials biodegrade.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

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

This science fair project will help students learn about non-vascular plants, such as mosses.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

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

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Construct batteries that make electricity from fruits with this fun science fair project.

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