Thursday, January 31, 2013
Tuesday, January 29, 2013
Thursday, January 24, 2013
Hunting The Elements Questions
Hunting the Elements
1.
Why is it so hard to hunt for gold and how is it
done?
2.
Why is copper such a valuable element?
3.
Why aren’t pure metals used for making bells?
4.
Describe the bell making process.
5.
Explain why the reaction between sodium and
chlorine is so explosive.
6.
Describe the “periodic table” table.
7.
What is
the most abundant element in the Earth’s crust?
8.
What does the acronym CHNOPS stand for?
9.
Why is Carbon so special?
10.
What is the role of phosphorus in the human
body?
11.
Why was David’s sweat analyzed?
12.
What did cyanobacteria do for us?
13.
Pound for pound, what is the most energetic
reaction in the universe?
14.
How are elements heavier than iron created?
15.
Although most people think of silicon as the
main ingredient in silicon chips that have fueled the electronic age, what was
its main use for hundreds of years before this?
16.
Name three uses of neodymium.
17.
In what state is the country’s only rare earth
mine located?
18.
What country supplies the vast majority of the
rare earth elements?
19.
Why are rare earth elements so named when they
aren’t rare?
20.
Why are the rare earth elements so hard to
distinguish from one another?
21.
What did the shark test reveal?
22.
Explain how a nuclear chain reaction works.
23.
Describe two portions of the video that you
found most interesting.
24.
What did you think of David?
25.
Did watching the video give you a greater
appreciation for the Periodic table? Explain.
Wednesday, January 9, 2013
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