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

Learn about this simple machine and make a pulley of your own to use for fun science trials.

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

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

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

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

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.

Enjoy those warm spring and summer nights with your child while teaching some basic astronomy at the same time.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

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

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

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

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

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

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

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

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

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

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