How much does 100 weigh? Play this fun guessing game with your child to commemorate the 100th day of school.

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.

In this project, waves of vibrations are experimented with using water in glasses.

Celebrate the 100th day of school by counting and spelling your way to a "$1.00" word in this 3rd grade math and reading game.

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

Give your number one dad something that he truly deserves this Father's Day!

In this activity, your child will reflect on one role model in their life or research one historical figure that has displayed perseverance. Then, they will create a slideshow presentation or poster that defines and illustrates perseverance.

Bake a delicious cherry pie in remembrance of one of country's most famous presidents -- George Washington!

Teach your little one to appreciate all the best things in life with a keepsake Thanksgiving plate.

Try this recipe with your child and explore Ethiopia through one of its dietary staples: injera, or flat bread!

Create some cards and a factor board and get ready to practice multiplication. This game will help your kid get one step closer to memorizing times tables!

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

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

mix and match your own creative outfits while also predicting clothing combinations -- style and statistics practice all in one!

Race to double numbers in this competitive card game. Try one-digit or two-digit numbers, or more!

Help your child work on her sewing skills by making one-of-a-kind luggage tags for everyone in the family.

Making these one-of-a-kind mug markers will help your child flex his creativity and gain button-sewing practice.

These unique paving block critters let kids unleash their creative side on one of the "squarest" garden supplies in stores.

Start a unique tradition with your fourth grader; bake and paint one-of-a-kind Olympic pins--out of salt dough!

Incorporate a lesson about metaphors into a writing and drawing project featuring one of the most classically recognizable of holiday icons: Rudolph!

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

Make a one-of-a-kind necklace this holiday season with this Christmas bead craft that will warm the heart of whoever receives it!

Take a stab at 18th century American cooking with your kids by following this tasty recipe from one of the first colonial cookbooks.

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

Challenge your child to create a lipogram, or a piece of writing that omits one specific letter. This activity strengthens writing and language skills.

Help your child apply his math skills the next time you cook a family meal similar to one you'd buy at a restaurant.

The ability to identify number patterns is one of the building blocks to success in higher-level math and this game is the perfect way to practice.

Your fourth grader will get their mind working with this simple "Chanukah" anagram game. They will hone their language and spelling skills with this one!

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.