Determine how salinity affects the circulation of warm and cold water. Note whether the warm water mixes or forms a layer with cold water.

Teach your kid a fun mathematical magic trick! All you'll need is a deck of cards and basic addition, subtraction, and multiplication skills.

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

Take the spookiness out of spiders with this web-making activity! Your child will practice talking about and creating shapes in this Halloween craft, and learn about spiders along the way.

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

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

Trying to find sums of groups of multiples is a great way to practice your addition. Be sure to double check your work. If you clear all of the cards, you win!

Celebrate Dia de los Muertos by baking pan de muerto. In this 5th-6th grade activity, your child will explore another culture while learning about baking.

Declare a "Pocket Day" in your house and help your child practice his addition skills as he counts how many pockets the family is wearing that day!

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

These pretzel reindeer cookies are a great holiday recipe for kids to make. Rudolph and the whole gang agree!

Here's a fun math game you can use to practice counting, addition or subtraction with your child.

Give your child some practice with even numbers, while creating a cute Christmas keepsake. Create this skip counting book.

Enjoy this kid-friendly recipe for Irish soda bread, just in time for St. Patrick's Day!

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

How powerful is the reaction between baking soda and vinegar? Find out here!

In this activity, your child will get a review of addition, subtraction, multiplication and division using classic domino pieces.

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

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

Your child can turn cookie dough into a big pile of colorful painted fall leaves ready for eating!

This simple bookmaking activity will introduce and reinforce alphabet and number recognition skills that have been taught at home or learned in preschool.

This pumpkin dessert recipe tastes like pie but looks like a no-bake cookie.

This science fair project idea determines effective strategies to help students stay awake and attentive.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

This activity will not only teach your child important math concepts regarding money and value, but also how to hunt for bargains!

Science fair project that cultivates slime mold and monitors the stages of its development.

Lots of everyday objects can be fun, whether it's buttons, beans, or Lego blocks. Here's an activity that uses coins to build problem-solving strategies.

Play a math logic and critical thinking game using a deck of cards. Use addition, subtraction, multiplication, and division in this fun activity.