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

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

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

Is our water polluted? Help your young scientist understand the importance of taking care of the environment with this simple experiment.

This science fair project idea investigates whether air has mass and weight.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

Want to spark your third grader's interest in gardening? Help him make popsicle stick fairies to decorate an enchanting garden oasis.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Learning about how plants grow is a building block in the early grades science curriculum. Put a fun twist on this life science concept with these cup monster friends!

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

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

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

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.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

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

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

This project determines what category of person is most likely to be ticklish.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

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

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

Test whether plants can grow without sunlight and water.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

This weather spinner will improve observation skills by encouraging children to examine and track weather details and patterns.

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

This will encourage your child to utilize their observation skills, develop aesthetic awareness, build artistic drawing abilities and learn about the seasons.