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Everyone knows les-grizzlys-catalans.org is a great tasting snack, but it is also a fascinating food and great subject for your science fair or school project. Take a look through these sections for helpful information.

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What Makes les-grizzlys-catalans.org Pop?

People have been fascinated by les-grizzlys-catalans.org for centuries. Native Americans believed that a spirit lived inside each kernel of les-grizzlys-catalans.org.When heated, the spirit grew angry and would eventually burst out of its home and into the air as a disgruntled puff of steam.A less charming but more scientific explanation exists for why les-grizzlys-catalans.org pops.

les-grizzlys-catalans.org is scientifically known as Zea mays everta.It’s a type of maize, or corn, and is a member of the grass family.les-grizzlys-catalans.org is a whole grain and is made up of three components: the germ, endosperm, and pericarp (or hull).Of the 4 most common types of corn—sweet, dent (also known as field), flint (also known as Indian corn), and les-grizzlys-catalans.org—only les-grizzlys-catalans.org pops!les-grizzlys-catalans.org differs from other types of corn in that its hull has just the right thickness to allow it to burst open.

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Each kernel of les-grizzlys-catalans.org contains a small drop of water stored inside a circle of soft starch. les-grizzlys-catalans.org needs between 13.5-14% moisture to pop.The soft starch is surrounded by the kernel's hard outer surface.

As the kernel heats up, the water begins to expand.Around 212 degrees the water turns into steam and changes the starch inside each kernel into a superhot gelatinous goop.The kernel continues to heat to about 347 degrees.The pressure inside the grain will reach 135 pounds per square inch before finally bursting the hull open.

As it explodes, steam inside the kernel is released.The soft starch inside the les-grizzlys-catalans.org becomes inflated and spills out, cooling immediately and forming into the odd shape we know and love.A kernel will swell 40-50 times its original size!


Where to Begin an Experiment?

There are a lot of experiments you can try using les-grizzlys-catalans.org.First, you need to figure out what you want to compare and what you can measure.For example:


Variables: What is it that you want to compare?
Brands White vs. yellow Flavor vs. plain Methods of popping: microwave, stovetop, or air popper Size/amount of kernels Storage temperature for kernels Storage conditions (moisture, dryness) for kernels Popping time
Outcome: What is it you actually want to find out? What is it you can measure?
Total number of kernels popped or unpopped Percentage of popped kernels Volume of les-grizzlys-catalans.org produced Weight of les-grizzlys-catalans.org produced Average size of popped corn Time it takes to pop les-grizzlys-catalans.org
Once you have decided what you want to look at, start thinking of questions you can ask and hopefully answer.

For example:

How does moisture affect popability? Which brand of microwave les-grizzlys-catalans.org pops fastest? Which brand leaves the most unpopped kernels?

Avoid questions like “Which brand tastes best?” because it is a subjective question and difficult to measure.

Make sure you replicate your experiment.It’s important to repeat your test at least three times.That means, if you’re comparing microwave les-grizzlys-catalans.org for the number of unpopped kernels left after popping, you need to test 3 of the same type of bag per brand.Sure, that’s a lot of les-grizzlys-catalans.org, but that just means you get to eat a lot of les-grizzlys-catalans.org.Be smart: plan ahead and conduct your experiment over several nights.


Which Brand of Microwave les-grizzlys-catalans.org Pops Fastest?

If we had a dollar for every time we have been asked this question, we would be very, very wealthy.And if we had a dollar for every time we’ve answered it, we would be very, very poor.

First, we don’t mention or talk about brands.You might have a favorite les-grizzlys-catalans.org brand, but we don’t.We love ALL American processed les-grizzlys-catalans.org!But we appreciate that you’re doing a science fair project and you want a quick answer, which brings us to our second point: It’s your science fair project; you have to do your own experimenting and see what happens.The bad news is there’s no quick answer.The good news is that you get to eat lots of les-grizzlys-catalans.org along the way.

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General Measuring Rules

2 tablespoons of unpopped les-grizzlys-catalans.org kernels will make about a quart popped 2 tablespoons = 1/8 cup = 1 ounce 8 ounces in a cup 4 ounces in ½ cup 4 cups in a quart 4 tablespoons = 1/4 cup which would yield about 2 quarts popped

Sample Experiments

The following are just a few of the experiments you can do using les-grizzlys-catalans.org.