How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

This craft, a perfect pre-bedtime activity for a first sleepover, helps build up a ton of useful skills, like geometry, measurement, and basic sewing skills.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

This activity is a great way to engage learners in Earth Day celebrations while cultivating skills around nonfiction comprehension and research writing.

Here's a math activity that uses coin riddles to help your third-grader improve his coin-counting and logical thinking skills.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Create a self-portrait from natural materials in this collage craft activity!

Create a sun-shaped summer words chart in this DIY craft activity!

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Transform a brown paper grocery bag into a hat in this arts and crafts activity!

Work on homophones, words that sound the same, and spelling with this imaginative activity!

Children research and make a timeline of an inspiring woman in this biography activity.

In this activity your child will create their very own marble maze!

Teach children how to upcycle dried-out markers with this homemade paint-making activity!

Help your third grader learn time zones with this fun map activity!

This spider mobile activity encourages learning about the science of motion, air currents and art.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

Invite children to create a Fourth of July centerpiece with this simple craft activity!

Craft a paper rocket in this hands-on activity inspired by the life of Mae Jemison!

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

Challenge your learner to design and build a city of their own in this creative engineering activity.

Get estimating with this spooky activity that asks your young mathematician to rely on their problem-solving skills to figure out how many items they believe are in spooky Halloween jars!

This reading comprehension activity teaches children reading in reverse: how would you teach an alien to use a zipper?

Celebrate Mexican heritage and inspire creativity in your budding artist with this unique arts and crafts activity.

In this activity, your child will learn about a style of gardening that uses moss, also called "kokedama."

Turn snack time into a healthy ho-ho-holiday activity! Make a face that looks like a cartoon Santa using fruits. It will be a fun activity that will get your family in the holiday spirit, and spice up your snack time with healthy treats.

This writing activity to get your third grader to combine the fun of poetry with the excitement of celebrating a birthday.