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!

Kids will enjoy this cool demonstration of Newton's Third Law and the conservation of linear momentum.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Familiarize your preschooler with the concept of numbers one through five and counting with this hands-on activity.

In this activity, your child will learn and practice mindfulness by using their senses to focus on one thing at a time.

Challenge your high school student to find the flaw in this short mathematical proof that one is equal to two.

Ask your kids to write these one-sentence "Holiday Wishes." Without realizing it, they'll be building third grade Language Arts skills.

This project explores how and how much one family can reduce the amount of garbage they accumulate over a three month period.

Does your preschooler like cereal? Explore numbers with everyday objects and food with this fun counting activity.

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.

Create homemade seed packets with your kids. This activity combines your kids' love of science and the outdoors with a little writing and drawing fun.

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

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

Show your third grader how to string together a pretty, decorative harp.

Science fair project the demonstrates Newton's Third Law using a milk carton filled with water.

Practice multiplication facts by playing baseball in this fun, third grade math board game.

Practice conversions within the metric system in this fun math card game for third graders.

This fun math card game is a great opportunity to discuss probability with your third grader.

Play this fun basketball game to help your third grader master their multiplication tables.

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

Try this fun math card game with your third grader to practice division, addition, and problem solving!

In this high energy, interactive game, third graders are challenged to race, involving spelling patterns in words.

If your third grader is having difficulty sequencing events in a story, try creating this book square.

Teach your third grader about the concepts money and purchasing with this "Mock Card Shop" activity.

Practice multiplication facts and geography at the same time in this fun third grade math card game.

Challenge your third-grader to sharpen her new math skills--and maybe do the planet a favor, too.

This project reuses freebie magnets to make one-of-a-kind magnets for your one-of-a-kind kid!

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

Challenge your third grader and a few friends to teamwork and laughs with these boisterous indoor Christmas games.

With this activity, your third grader will get experience with informational writing, and your Thanksgiving guests will leave with a keepsake to cherish!