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.

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?

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.

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.

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.

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.

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!

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!

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.

Help your second grader to a better understanding of how to count and represent money with age old game of tic-tac-toe.

Learn about coins and their value by making an animal piggy bank. Here's how to make a lion, pig, or sheep bank!

If you're looking for a fun way to have your child gain practice pattern-making while working out fine motor skills, making Washi eggs is the perfect activity.

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!

Does your second grader want to learn a magic trick? Here is a simple trick using only 3 dice and a little bit of addition and subtraction.

Help your child sharpen time skills by creating a special day and charting each part in a detailed schedule.

Playing a tactile game with multiplication will help your child get a better grasp of basic math concepts and transform your kid into a master multiplier.

Learning to count change can be tough! Help your child become a master money-counter with this simple game.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

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.

In this fun math activity, second graders will learn to estimate items in a jar! 

Give your smart second grader a rich challenge with this activity that combines graphing practice with money!