Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

Help your little builder move up in the world with this recycled cardboard castle that's just the right size for a young king and his loyal stuffed subjects.

This project examines the affect of temperature on viscosity and surface tension of different liquids.

This do-it-anywhere guessing game helps reinforce number concepts. And it's a blast to play.

Science fair project which measures the amount of heat energy released by a burning candle by calculating how many calories of heat it emits.

This activity will not only teach your child important math concepts regarding money and value, but also how to hunt for bargains!

Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.

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

Play this fun math numbers game with your kindergartener! Practice following instructions as you roll the dice and count.

For a fun family activity to introduce your child to genetics, have your child go on a search for dominant and recessive family genes!

Making metric conversions is a difficult concept to master. Get in some extra practice by playing this Tic-Tac-Toe game with your learner.

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

Here's a math activity that uses coin riddles to help your third-grader improve his coin-counting and logical thinking skills.

Does your child need counting help? Here's a simple game that kids can do at home to help them practice counting to two-digit numbers.

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

How do cold packs work? Explore endothermic reactions by comparing the temperature change that results from various chemicals added to water to find out!

Help your child build ice cream cones as she practices her counting skills

This simple experiment serves as an introduction to the greenhouse effect.

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

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.

Check out this interactive number line. It's a great way to strengthen your preschoolers understanding of basic numbers and the numerals that represent them.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

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

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.

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.

Review fractions with your budding mathematician when you play this fun, educational math board game.

Bring the classic game of "Red Rover" up to date with color and shape recognition skills for your child.

This activity spotlights everyone's favorite reindeer, Rudolph, and preserves your child's handprints in his "antlers".

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.