Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

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

In this project children practice the scientific method while playing with puffy paint.

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.

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

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

Test whether plants can grow without sunlight and water.

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

In this project, sunlight is blocked from a leaf in order to see the affect that sunlight has on leaves.

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

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

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

This biodiversity project examines the biodiversity in your own backyard.

This science fair project idea investigates how the shape of an object affects drag.

How powerful is the reaction between baking soda and vinegar? Find out here!

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

This science fair project idea examines which type of insulation holds in the most heat.

This project examines whether people's taste perception is influenced by what they see.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

In this project students experiment with making music using only glasses of water.

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.