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This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

Explore the properties of light and color using photographic filters. Take pictures of color spectrum, compare results of different filters.

This science fair project idea determines if material and tensile strength of different types of skateboard wheels affects the velocity of the skateboarder.

Science fair project in which you will graft branches from different fruit tree onto a root stalk.

This experiment will determine how different kinds of light affects the strength of bakerâs yeast.

This experiment will explore whether adding different substances to a gel affects its strength.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

In this science fair project, students will use four different household objects to see which ones form the most or best crystals.

Discover whether cheap saline solution bottle cleans and disinfects just as well as more expensive kinds formulated with different ingredients.

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

Many substances are compounds of different elements. This experiment combines iodine and zinc to make zinc iodide.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Science fair project that teaches you key definitions of molecular science, and how different isotopes of an element affect the relative atomic mass.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

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.