Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

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

Engage your third-grader in this version of the classic game and she will get lots of practice using mental math to solve addition and subtraction problems.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

Defend your cards in this multiplication math game! Your kid will enjoy using strategy to build equations and win points in this activity.

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

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.

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

Okay, engaging in a graphing activity may sound ho-hum, but if you use fun data, it changes the picture entirely.

What's your problem? I'll show you my math if you show me yours! Critical thinking and computation skills are the focus of this strategic math card game.

Use a deck of playing cards to practice place value and other math concepts with your upper elementary child!

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

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

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

Challenge your third-grader to sharpen her new math skills--and maybe do the planet a favor, too.

Sharing can be a challenge, and division doubly so! Practice halving numbers in this competitive card game.

Create some cards and a factor board and get ready to practice multiplication. This game will help your kid get one step closer to memorizing times tables!

Here's a super fun game to get in some place value practice with your child!

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Practice conversions within the metric system in this fun math card game for third graders.

Have your student draft a blueprint for a haunted house, and trick (or treat) them into learning about geometry in the process.

Getting kids to memorize their times tables can be worse than pulling teeth. Sweeten the deal with this activity that combines math and sugar.

Teach your third grader about the concepts money and purchasing with this "Mock Card Shop" activity.

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.

Delay your child's sugar overload, and develop his critical thinking skills, by doing some "sweet sorting" of his Halloween treasures!

Hone observational skills and introduce the basics of data interpretation with this data gathering activity all about the different colors people wear.

Try this fun math card game with your third grader to practice division, addition, and problem solving!

Most parents probably wouldn't mind subtracting 8-9 years off their age. Here's a fun third grade subtraction activity that may do just that.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.