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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?

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!

Instead of loading up on mayonnaise based potato salad, your child can whip up something healthier: German potato salad!

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

Add these fun chocolate Groundhog Day cupcakes to your holiday desert recipe repertoire! They're fun to make with your kids and a delicious winter snack.

Any time is the perfect time to whip up a delicious batch of fluffy pumpkin cookies.

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

Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.

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

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.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

Use this great no-bake recipe to save energy and keep cool.

Your child can turn cookie dough into a big pile of colorful painted fall leaves ready for eating!

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

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.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

Pumpkin carving party activities are great for a pre-Halloween party. Try pumpkin carving party activities, including jack-o'-lantern ideas and fall recipes.

How powerful is the reaction between baking soda and vinegar? Find out here!

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.

This recipes is so easy your child gets to be master chef for this kitchen activity. He'll bake peanut butter banana oatmeal cookies that happen to be vegan!

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

This hands-on activity gives your child an opportunity to apply various strategies to solve a problem and to check if his answer makes sense.

This pumpkin dessert recipe tastes like pie but looks like a no-bake cookie.

Make this delicious warm apple bread for Hanukkah.

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

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

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.

Transform your kitchen table into a winter wonderland with a cookie and cocoa party that looks freshly dusted with snow.

Homemade Halloween treats make great party foods for an All Hallow's Eve get together. These four homemade Halloween treats are scary-good.

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