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.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Based on the popular "I Spy" game, this activity lets your kid practice important skills like number identification and place value.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

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?

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.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Engage your children with this fun fall activity that integrates math and science. First, your child will excavate to find leaves. Next, they'll examine them to determine the colors. Then, your child will graph their findings.

Make a lei and bring a touch of the tropical lifestyle into your home!

Tangrams are a kindergarten staple, but now it's time to take them to the next level! Get your child started on geometry with this tangram puzzle.

This fun game helps children learn to estimate the most basic unit of time--a minute--without a clock.

Does your kid have a stash of sweets left over from Halloween? Turn that pile of candy into a learning opportunity with this sorting and categorizing activity.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Does your child love learning about dinosaurs? Does he like digging around in search of hidden treasures? In this fun activity he'll do both!

In this activity, have your second grader practice measuring by finding the height, weight, and length of their most treasured toy!

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.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Have some fun with your first or second grader, looking for creative ways that 100 cents can make $1.00!

Your child will love making this adorable clover clock that will help him learn how to tell time.

Learn about borrowing in subtraction using a deck of cards and a die! Your first grader will have fun playing this math game.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Practice subtraction with your second grader in this fun dice game. Math concepts have never been more fun!

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

Try this card game to build math fact skills, like addition and subtraction, and have a great time, too!

This unique Santa is made only from circles. Your little one will have a fantastic time puzzling together Santa's face with this circle-centric activity.

Help your child improve his coin counting skills in these two math games that have him race to reach $1.00.

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!

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.

Have your child construct his own Christmas tree from construction paper while cutting, overlapping and measuring to create an adorable modern design.

Have your kid practice completing number patterns and then create her own patterns on the wings of a butterfly with this delightfully simple paper project.