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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?

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

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

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

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

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

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

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!

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.

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

Get estimating with this spooky activity that asks your young mathematician to rely on their problem-solving skills to figure out how many items they believe are in spooky Halloween jars!

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!

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.