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

Introduce your fourth or fifth grader to volume by having him build rectangular prisms, and then count each sugar cube to check his volume calculations.

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.

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

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

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

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!

How much does 100 weigh? Play this fun guessing game with your child to commemorate the 100th day of school.

The crust is fun for kids to mix and roll out, and the filling overflows with vitamin and anti-oxidant packed berries!

How many steps long is the hallway? Kids put their graph-making skills to work as they make a step map of their own house.

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

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

Whatever is stacked in your cupboard can be used to help your child learn how to compare fractions and decimals. A great hands-on math lesson!

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

Combine art, history and food with this unique project! Your child will make her own butters, and learn a little about Colonial history at the same time

Think you need a special dehydrator to make your own fruit leather? You can actually make a delicious version of this popular kid's snack in your own oven.

Making candles from old candles is easy. Recycle old candle stubs to make a "new" candle, and teach your child about recycling at the same time!

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

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

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

This fall, bake some festive caramel apple cupcakes with your second grader and help her build her math skills while you're at it!

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

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!

Introduce your child to science with something they see everyday--their shadow!

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

Have your child observe, measure and record the amount of space objects occupy, and you'll have an inside space explorer on your hands in no time!

If it's Easter, it must be time for egg hunts. But we have to admit, most kids would rather take a bite out of a yummy cupcake than a hard-boiled egg.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

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