Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

It's important to be able to add and subtract quickly and accurately, and this activity is the perfect way to practice.

In this matching activity, your kid will match the clock faces representing analog time with the numeric readings representing digital time.

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

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.

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

Liven up a lesson about graphing by helping your third grader compile a bar graph from his classmates' birthday data.

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

Your child can brush up on her math skills by charting the length of time that each candle on the menorah takes to burn.

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

Your child will be cheering for 8s and 9s as she tries to create a larger number than her competitors. Whoever ends up with the largest number wins!

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!

This pyramid card game is a fun way to help your child learn addition and subtraction. Best of all, itâs quick to set up and easy to play.

Find the area in this fun math card game. You'll help your child start thinking in terms of units as you create shapes out of playing cards.

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 geometry game requires players to use measurement, find perimeter, and draw polygons. It's great for a fourth grade math student!

Multiplication facts are a necessary skill, and this board game provides a fun way for your third grader to practice them!

This heart print makes the perfect simple and sweet gift for Valentine's Day!

Prepare for some scary Halloween counting practice! This game encourages players to knock down cylinders and then add to determine their scores.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

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

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

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

The Math Monster will save your second grader from repetitive math flashcards. Guessing mystery math facts is a fun way for him to polish arithmetic skills!

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.

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

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

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

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

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