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 project compares the strength of one, two, and three-ply toilet paper.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Let your second grader pay homage to an ancient Olympic tradition with this modern day Olympic wreath!

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!

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

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

This Valentine's Day, pair up science and crafting with this simple crystal formation project that's sure to bring a little love into your home.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

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.

This year on Mother's Day, try this gift project that brings together an appreciation for gardening with a hands-on lesson in art history.

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

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

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

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

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

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

What better way to celebrate spring than with a fabulous flower party? Pack the day with fun flower activities and treats for a truly springalicious event!

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.

Find out whether a longer airplane will fly farther or a wider paper airplane.

Your child can use leaves and grass to create his own outdoor art in celebration of Earth Day...all he needs are is the great outdoors and some creativity!

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

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!