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Give your number one dad something that he truly deserves this Father's Day!

In this science fair project, students test how objects float and sink in liquids of different densities.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

This experiment examines if space objects become round after reaching a certain mass.

Ever wonder how those kooky kazoos work? Get to know the science behind this silly instrument by making your very own kazoo!

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

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.

This simple and creative arts and crafts activity is great for preschoolers or kindergarteners and uses recycled magazines or newspapers.

This classic children's game demonstrates how sound travels through air vs. through a solid.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

This experiment will examine and precisely measure the amount of sugar in various sodas.

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

Science fair project that examines the relationship between the size of a bubble and how quickly it falls. What is the correlation?

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

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

Stir up some friendly competition with this tabletop bow and arrow craft!

For most kids the fun is in the process, and making a dollhouse out of cardboard boxes is as creative as it gets! Here's how to make your own dollhouse.

This conservation of energy demonstration shows why the first hill is the highest on a roller coaster. Learn more about potential and kinetic energy!

Teach your little scientist about the amazing powers of gravity by comparing the falling speeds of two yummy fruits

Examine whether males or females are more likely to have a higher center of gravity.

Demonstrate Newton's laws of motion by examining the relationship between mass, force, and acceleration during free-fall.

Science fair project that tests the effects of diluted soap on the size of bubbles blown from the solution. Will dilution cause smaller bubbles?

Science fair project the demonstrates Newton's Third Law using a milk carton filled with water.

In this activity, your child will learn about a style of gardening that uses moss, also called "kokedama."

This awesome diffraction grating experiment puts high school students' applied math skills to the test by having them calculate the wavelength of laser light.

Explore how you can achieve magnetic levitation with the Meissner Effect! This cool science project explains formation and applications of a superconductor.