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This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

This science fair project idea produces sounds by creating vibrations using different objects.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Pair a planetarium visit with this fun art project that mimics the look of far-off galaxies.

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

Teach your fifth grader about the wonders of wind by making and observing this winter wind chime.

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

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

This science fair project idea produces varying pitches of sound.

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Which do you prefer: real or artificial? Try this sweet little taste experiment to help your kids develop a better awareness of the food they consume.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

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

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.