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 explores whether boiling and freezing water will have an effect on how much it weighs.

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

Learn about Ikebana, or the Japanese art of flower arranging, with your child while artfully arranging spring flowers!

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

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

In this project, you will observe and record changes in sunspots over two weeks.

Glass is see-through, but usually you can still see that it is there. In this experiment, we use baby oil to make glass go completely invisible.

How do organic materials become soil? This science experiment measures what materials biodegrade.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

This science fair project will help students learn about non-vascular plants, such as mosses.

Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.

In this activity your child will make a coiling snake out of simple household materials, and also find out why they coil.

Help your young scientist celebrate the wonders of the night sky in the comfort of your own home.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

The next time you and your fifth grader go on a hike, take along this key to figure out which common North American animal left a track along the river bank.

Boys might wrinkle their noses at the thought of gardening, but we guarantee they'll like this activity! Make a recycled terrarium full of bug-eating plants.