Video - Slow motion popcorn popping

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Presentation transcript:

Scientist study the mystery of popcorn: why does it jump and make noise?

Video - Slow motion popcorn popping https://www.youtube.com/watch?v=4rPMIkN5fR4

Vocabulary endosperm- This is the starch that provides food (energy) for the living part of the kernel. Zea mays everta – The scientific name for popcorn. Celsius- Of or relating to a temperature scale that registers the freezing point of water as 0° and the boiling point as 100°.

Vocabulary Fahrenheit- Of or relating to a temperature scale that registers the freezing point of water as 32°F and the boiling point as 212°F. phenomenon- Something that is impressive or extraordinary.

Section – Why Does it Jump and Pop? What is the scientific name for popcorn? How many types of corn kernels actually pop when heated?

Section – Thousands of Pictures Explain step by step what happens to popcorn when it is heated?

Section - Look, Listen, Then Taste Justify that the release of water vapor is the popping sound a kernel makes.

Discussion questions Evaluate the scientists’ procedures for their experiment? How would you improve their methods?

Summary Writing Assignment Explain what makes a kernel jump and pop? (Use 3 specific pieces of evidence from the article.)

Performance Task 1. If you were a scientist in charge of testing why some kernels do not pop? 2. Explain how you set up and test your hypothesis.

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