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

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

Here's a pressed leaf card project that puts science and writing together for your second grader.

In this project children practice the scientific method while playing with puffy paint.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Before your treat your child (and yourself!) to a yummy snack, help her learn a little about Sir Isaac Newton's First Law of Motion!

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

Create your own cloud with an activity that will explain how important concepts such as evaporation, condensation, and precipitation work.

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

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

Learn about nature by making your own mini moss garden.

Transform your uncomfortable wooden shoes into charming mini planters!

Jazz up your patio or backyard with hip and quirky planters made from simple Mason jars.

Come take off your shoes and explore with your feet. Your child will embark on a barefoot adventure as he plays with different textures.

Your child might have noticed how bubbles quickly lose their colors and pop. Check out this creative way to make those bubbles last longer.

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

Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.

Introduce your second grader to the crazy world of static electricity with just a balloon and a sheet of paper.

This science fair project examines how seeds hitchhike on animals and clothing.

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

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.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

Using scherenschnitte, your science-savvy second grader will be able to create and display each part of a vegetable!