Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

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 which objects float and sink in honey, water, and oil.

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

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

Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.

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

This science activity will help your student explore the changes that occur to transform an egg from raw to soft to hard-boiled.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!