Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

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!

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

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

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.

Use playing cards to learn about temperature as well as positive and negative integers in this fourth grade math game.

This first grade science activity is great for winter! Your child will grow and observe her own amaryllis bulb, keeping a journal of her scientific findings.

Celebrate Dia de los Muertos by baking pan de muerto. In this 5th-6th grade activity, your child will explore another culture while learning about baking.

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.

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!

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

Forget store-bought dyes this Easter: color your Easter eggs with natural dyes made with ingredients from your own kitchen in this 1st grade activity.

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

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

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!

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.

Make this delectable custard, meringue, and graham cracker pie will give your fifth grader practice with measurement and get him interested in the kitchen.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

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

Give your second grader a chance to get his feet wet with measurement before he moves onto the more complicated stuff by trying this activity with him at home.

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

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

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?

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.