Home Tutorials 5: The Atomic Nucleus

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5.1a Chapter 5 Introduction

External Link: http://bcove.me/mid3bnk5

SUMMARY

John discusses the importance of learning about the atomic nucleus from the top of an extinct volcano rising some 20,000 feet above the ocean floor. Duration: 1:59.

 

VIDEO CHECK QUESTIONS

1. Deep below the Earth’s surface the temperatures are hot enough to melt rock. Why?
2. Wood burns in a campfire. What burns in the Sun?
3. Why is it so important to “know nukes”?

To optimize your learning, try answering the above video check questions on your own before scrolling down to view the author's answers.





1. Deep below the Earth’s surface the temperatures are hot enough to melt rock. Why?
[The radioactivity down there keeps it warm.]
2. Wood burns in a campfire. What burns in the Sun?
[The nuclei of hydrogen atoms are what “burns” in the Sun.]
3. Why is it so important to “know nukes”?
[Nuclear processes play an important role in our natural environment. They also are of use in the production of energy. There is much controversy in regards to nuclear energy, which makes it rather important that we have a basic understanding of nuclear energy.]