"If, in some great cataclysm, all scientific knowledge were to be destroyed and only one sentence passed on to the next generation, what statement would contain the most information in the fewest words? I believe it is the atomic hypothesis, that all things are made of atoms--little particles that move around in perpetual motion attracting each other when they are a little distance apart, but repelling upon being squeezed into one another."For homework, read and fill out the questions of the worksheet A-2: What Holds an Atom Together? (The third and fourth pages are out of order.) We will play the Atomic Challenge Game together in class next Monday. You may use your home models to make the atoms for the homework assignment . 25 pts. (My suggestion: Do this by Wednesday) And for fun watch this: Albert Einstein: The Size and Existence of Atoms (one minute physics)
(My suggestion: On Friday, do this:)
BrainPop.com: periodic table of elements
login with username/password: pcshome / ilearnathome
Only movie and quiz (10 pts), but you can get extra credit for doing any worksheet (5 pts. each) or the experiment (10 pts--but you need to write it up in your lab book - just say what you were asked to do and your observations of what happened.)
Also extra credit: Video Table of the Elements
If you click on any element, it will have a short video about that element. For 5pt. each, watch the videos in the first column under H (hydrogen) -- Li, Na, K, Rb, Cs, Fr. They are 3-4 minutes each.
Jot down a few notes about each element in your lab books, and see what all these elements in Column One have in common.
Keep Observing Your Pumpkins; maybe it's time for another photo.
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