To earn Extra Credit take the linked quizzes below during the appropriate time frame. Score 100% on
the quiz. Print the page with your score of 100%, write your name on it, and turn it in at the start of
class during the time period when it is due. To print screen (if you have trouble printing a score box),
press "Print Screen" on the upper right hand of your keyboard, then paste that into a Word document
and print. Please do not mail quizzes to me.
Have you heard the one about a chemist who was reading a book about helium and just couldn't put it down?
What's the formula for water? -H-two-O What's the formula for an ice cube? -H-two-O-CUBED
The best chemists would definitely not be pet owners.
Their idea of a catalyst:
2 bags of cat litter
3 cans of cat food
1 can of flea powder
1 collar
Q: How do you get lean molecules?
A:Feed them titrations.
Q: And why does a white bear melt in water?
A: Because it's polar.
Two molecules meet while they are walking down the street.
One says to the other, "Are you all right?"
"No, I lost an electron!"
"Are you sure?"
"I'm positive!"