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

This science fair project idea explores whether cats can be trained in the same way that dogs can.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

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

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

With a clear bottle and a few plastic straws, you can easily make a hummingbird feeder and demonstrate the effects of atmospheric pressure at the same time!

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

In this activity, your child will make her own "quicksand" to better understand how a substance can be both fluid and solid at the same time.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

In this fun experiment, we'll find out how color affects heat absorption!

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

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.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

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.

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

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

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, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Find out which type of sponge holds the most water.

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

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

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