This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

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

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

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

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.

Make physical activity fun with this 4th-5th grade fitness game that's a twist on classic Tic-Tac-Toe.

Reuse old Christmas cards by showing your fourth grader how to weave strips of them together to create new and unique woven holiday cards!

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

Have a bookworm on your hands? They'll boost their spelling and problem solving skills with this Oulipo activity re-writing lyrics to beloved Christmas songs!

Inspire a love for the written word by creating an illustrated nature poetry book with your kids.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

Create a string of paper jack-o'-lanterns with this simple Halloween paper craft!

Your fourth grader will love turning your house into a home this holiday season with fun crafts such as hand-casted paper holiday ornaments!

Make a string art tree to celebrate the holiday season with your kid. This string art tree craft allows you make a unique decoration using simple ingredients.

Weave colorful Easter basket pictures out of construction paper and ribbon that open to reveal an assortment of fun Easter shapes!

This quick budget-friendly recipe is the perfect way to indulge in a restaurant quality meal in the comfort of your home. And it's grain and dairy free to boot!

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Practice math and measurement with your third grader this Fourth of July by making these festive cupcakes!

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

These DIY star garlands will add the perfect patriotic touch to your home this 4th of July!

Introduce your child to baking with traditional Hamantaschen, or jam-filled buttery cookies that are usually made for Purim.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

Try this chemistry experiment with your curious kid and get some "shocking" results!

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

Here's a fun writing activity that will turn a Saturday trip to the local zoo into an all-out creativity bonanza.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.