Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Here's a hands-on activity you can do with your fourth-grader to practice measurement and directly apply the concept of area.

This activity will make you want to celebrate more often, and save them up for a collection of cork animals.

Take a dive into the candy jar with this yummy science experiment.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

Press pause on your speedy reader's latest adventure with an activity perfect for book lovers.

This Thanksgiving cornucopia activity will give you a nice homemade table decoration and will give your child a festive reason to read, write, and be thankful.

Greeting cards are nice, but after they've been opened most cards soon end up in the trash. This year, make Dad a Father's Day card he'll treasure forever.

This science fair project idea investigates the difference in reaction times between boys and girls.

Invite your fourth grader to celebrate one of four holidays by creating a kid-friendly homemade Menorah, Advent Wreath, Kinara, or Diya!

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

Give your budding young observers a chance to discover simple machines at use in their own home.

In this activity, your child will take a walk outside, listen to the silence in between sounds, and draw what the experience was like for them.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

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

What do you get when you cross a pool, water balloons and hula hoops? Pool Basketball, an exciting summer game perfect for kids of all ages.

Mad Libs are fun, but they're even better when your fourth grader gets to make the story!

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

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

Ancient Greek vases were not only utilitarian, they were also works of art. Jump into ancient cultures by decorating your own vase in classic Greek style.

This sponge relay game is the perfect way to cool off and to keep kids' minds sharp this summer.

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