Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

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.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

This basketball project explores the best way to make the perfect shot every time.

This experiment tests which gender is better at catching how a magician performs his tricks.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

This project compares the strength of one, two, and three-ply toilet paper.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

This project explores ways to prevent static electrical shocks.

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

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

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

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

Demonstrate how to tell the age of an egg without having to crack it open.

Find out which kind of bubble wrap fares best when put in impact.

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

This science fair project idea investigates how color affects temperature.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.