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

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!

Try this fun and simple activity to help nurture your child's observation skills and nourish a growing love of science!

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

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

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.

Work on simple addition and finding even numbers in this second-grade math card game.

Turn learning fractions into a pizza party in this fun second grade math game.

Practice measurement using centimeters in this fun math race designed for your second grade student!

Create addition problems using critical thinking skills in this fun second grade math card game.

Play this daily money game with your 2nd grade child to help his math skills.

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?

Help your child "step up" to second grade math fact challenges with a fun addition and subtraction game in your very own kitchen.

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.

If your 2nd grade child asks for time often, encourage him to read time on his own by talking about time throughout the day.

Make counting coins make "cents" to your second grader while giving her the chance to practice her math skills by playing this fun game with her.

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

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

Try this fun addition game with your second grader! Arrange playing cards to find the largest possible sums.

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

Add simple fractions in this fun math card game for second graders. This game is very similar to Blackjack, or 21, but it's entirely kid friendly!

Practice your addition and subtraction in this card game. Disclose is a math activity any first or second grader will love!

Invite your second grader to help you measure and mix these fresh, cool concoctions!

Try this fun math card game and practice place value with your second grader! Decide which number is bigger in order to earn points!

Here's a place mat your second grader can create, based on the classic frontier tradition of patchwork quilting.

Work on measurement by sliding cards along a table with your second grader in this fun game. Use centimeters or inches, add up your totals, and see who's won!

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

Create equations in this strategic math card game. Your second or third grader can practice addition, subtraction, multiplication, and division in a new way!

For most second graders, a good secret code is just about irresistible. Here's one that builds math facts while you're at it!

Play this "subtraction war" card game with your second grader and watch his math facts mastery leap forward!