Chemistry
(Bolton)
Week 4
Monday 25 September
á
go over homework
á
finish "Penny Density" lab
o
enter data into computers
o
do calculations and turn in
á
C2-3
pp. 44-46
o
accuracy
o
precision
¤
closeness
of measurements
¤
how
many significant digits
o
percent
error
¤
from
the actual
o
percent
discrepancy
¤
from
the target
á
homework
o
read
pp. 44-46
o
p.
60 #27, 29, 31, 32 (in notes)
o
"Penny
Density" lab
Tuesday 26 September
á
grade "Penny Density" lab
á
go over homework
á
C2-3
pp. 46-48
o
significant
figures (digits)
1.
non-zeros
are significant
2.
zero(s)
between sig. digits are sig.
3.
zero(s)
at the end of the number AND after the decimal point are sig.
o
e.g.
p. 47 all, p. 48 #1 all
á
video: NASA (7 min)
á
homework
o
Test
Monday 2 October
o
read
pp. 46-48
o
p.
60 #28, 34, 35, 38 (in your notes)
Wednesday 27 September
á
go over homework
á
review
á
C2-3 pp. 48-52
o
rounding
o
scientific notation
o
math and scientific notation
o
counting
numbers and defined numbers have an infinite number of significant digits
á
video: 'Chemical Properties'
o
'How Elements Are Formed'
o
(Left over from Chapter 1-3.)
á
C2-3 pp. 55-57
o
read aloud
á
homework
o
Test
Monday 2 October
o
read
pp. 48-57
o
p.
57 #1, 2, 3, 9 (in notes)
o
pp.
60-61 #48, 49, 50 (to be turned in)
o
convert
(to be turned in)
¤
1.5
m3 to cm3
¤
8.2
X 105 cm3 to m3
¤
2.0
km3 to cm3
Thursday 28 September
á
go over homework
á
review labs
o
Penny Density
¤
accuracy & precision
o
Candy Guess
¤
cognition group problem solving
á
review class notes
á
video: NASA
á
what's on Monday's test
o
one lab question (10 points)
o
one density problem (10 points)
o
three conversion factors problems (30 points)
o
25 multiple-choice questions (50 points)
Friday 29 September
á
Make up Chapter One test on computers.