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

This science fair project idea determines what factors influence an individual's reaction time using a web-based timed reaction test.

Check out this fun science fair project idea for middle school students to learn about the effects of temperature on the density of a gas such as air.

Countries all around the world have been using the abacus for thousands of years to make math easier. Have your kid make his own abacus to practice arithmetic.

These cute holly-shaped hair clips are a breeze to make for holiday celebrations. They make a great party activity, too!

Learn how to make a paper snowflake with these simple instructions. Help your child learn how to make a paper snowflake with only paper and scissors.

How many steps long is the hallway? Kids put their graph-making skills to work as they make a step map of their own house.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

Combine art, history and food with this unique project! Your child will make her own butters, and learn a little about Colonial history at the same time

Preschoolers are fascinated by how colors can be mixed to form new ones. This activity combines color mixing with the concept of melting for extra science fun.

Test whether cutting up meats will make it cook faster than just cooking it whole.

Help your child practice her counting as she makes this fun and festive holiday decoration!

Introduce the idea of measuring weight to your preschooler or kindergartener by making a fun and easy-to-use bungee scale to weigh household objects.

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

Help your kids fall in love with nature by making a simple clay bird bath. Set it up in your yard and watch the animals venture in for a sip of water.

These handmade Christmas treat cups are perfect for house parties, school celebrations, and holiday bake sales.

This Halloween math activity book is a whole lot of fun.

This activity spotlights everyone's favorite reindeer, Rudolph, and preserves your child's handprints in his "antlers".

The Kindergarten Personal Record Book makes measurement fun & active! Kids record their vital statistics from head to toe using unusual tools like paper clips.

Help your child practice symmetry with this fun activity that will leave your child with a sweet symmetrical treat!

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

Make this delicious warm apple bread for Hanukkah.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

Make pickled carrots at home! Here's a fun activity to get your child in the kitchen and make something special with no fuss or muss.

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

Think you need a special dehydrator to make your own fruit leather? You can actually make a delicious version of this popular kid's snack in your own oven.