Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Kids make a paperclip perform an act of magnetic levitation and test how effective various materials are at magnetic shielding in this science fair project.

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.

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

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

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

In this science fair project you will make a model of a cell membrane using very simple material.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

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!

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

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

This experiment tests which gender is better at catching how a magician performs his tricks.

Discover which fabrics shrink the most in the wash and why.

Explore if planting seeds in a certain direction will affect how fast it germinates.

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

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

This science fair project idea explores alcoholic fermentation at work by making your own soda.

Here is a nifty science experiment using Epsom salts to make "frost" appear on a piece of glass.

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.

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

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

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.

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

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

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

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

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