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

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

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

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

Help your child make a beautiful homemade sandcastle that will last!

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science fair project idea investigates how the shape of an object affects drag.

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

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.

Creating a home for a toad is an easy and fun project for kids. Here's how to make your very own toad abode.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Learn all about balance and motion as your child designs a corn maze!

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

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

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

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

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

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.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Make edible amber fossils with your second grader to explore the fascinating world of science!

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