Here follows one hypothetical example from each section of the
exam.
1. Selected response :A net force of 10. newtons accelerates an object
at 5.0 meters per second2. What net force would be required to
accelerate the same object at 1.0 meter per second2?
1.
|
1.0 N
|
|
2.
|
2.0 N
|
|
3.
|
5.0 N
|
|
4.
|
50. N
|
2. Problem solving? Suppose for your
cookout you need to make 100 hamburgers. You know that 2.00 pounds will make 9
hamburgers. How many pounds will you need?
3. Short answers:
4. Fill in the blanks: The value of the
acceleration of an object moving at constant velocity is ___.
5. Brief or extended
constructed response:Suppose you are walking home after
school. The distance from school to your home is five kilometers. On foot, you
can get home in 25 minutes. However, if you rode a bicycle, you could get home in
10 minutes. a. What is your average speed while walking? b. What is your
average speed while bicycling?c. How much faster you travel on your bicycle?
Performance
Expectation PS2.1
What Is Physics?
1. Which
areas of physics deal with the following?
a. how
fast things move______________________________________________
b. how
the shape of a cave affects an echo________________________________
c. which
sunglasses are best for cutting the glare on a ski slope________________
d. how
the cooling system in a refrigerator works__________________________
e. what
lightning is__________________________________________________
f. how
energy is produced by the sun____________________________________
Measurements in
Experiments
Power
|
Prefix
|
Abbreviation
|
Power
|
Prefix
|
Abbreviation
|
|
10-18
|
atto-
|
a
|
10-1
|
deci-
|
d
|
|
10-15
|
femto-
|
f
|
101
|
deka-
|
da
|
|
10-12
|
pico-
|
p
|
103
|
kilo-
|
k
|
|
10-9
|
nano-
|
n
|
106
|
mega-
|
M
|
|
10-6
|
micro-
|
m
|
109
|
giga-
|
G
|
|
10-3
|
milli-
|
m
|
1012
|
tera-
|
T
|
|
10-2
|
centi-
|
c
|
1015
|
peta-
|
P
|
|
1018
|
exa-
|
E
|
1. How
many picoseconds are there in 1 Ms? ____________________________
2. How
many micrograms make 1 kg?
_________________________________
3. How
many nanometers are there in 1 cm?
____________________________
4. Rewrite
the following quantities in scientific notation without prefixes.
a. 3582
gigabytes___________________________________________________
b. 0.0009231
milliwatts_______________________________________________
c. 53657
nanoseconds _______________________________________________
d. 5.32
milligrams ___________________________________________________
e. 88900
megahertz _________________________________________________
f. 0.00000083
centimeters____________________________________________
5. Rewrite
the following quantities in units with SI prefixes.
a. 36582472
g ______________________________________________________
b. 0.000000452
m ___________________________________________________
c. 53236
V ________________________________________________________
d. 4.62
´ 10-3 s _____________________________________________________
6. Express the measurement 4.29478416 kg with 8,
6, 4, and 2 significant figures.
_____________________________ _______________________________
_____________________________ _______________________________
Convert
the following measurements to the units specified.
a. 2.5
days to seconds________________________________________________
b. 35
km to millimeters_______________________________________________
c. 43
cm to kilometers________________________________________________
d. 22
mg to kilograms________________________________________________
e. 671
kg to micrograms______________________________________________
f. 8.76
´ 107
mW to gigawatts_________________________________________
g. 1.753 ´ 10-13 s to
picoseconds
The table below contains measurements of
the temperature and volume of an
air balloon as it heats up. In the grid at right, sketch a graph that best describes these data.
air balloon as it heats up. In the grid at right, sketch a graph that best describes these data.
Temperature
(°C)
|
Volume
(m3)
|
2
|
0.0502
|
27
|
0.0553
|
52
|
0.0598
|
77
|
0.0646
|
102
|
0.0704
|
127
|
0.0748
|
152
|
0.0796
|
Performance Expectation PS2.1 
Acceleration
A car is traveling down a straight road. The driver then
applies the brake, and the car decelerates with a constant acceleration until
it stops. Refer to the equations below to answer the questions.
1. What is the car’s final speed vf?
Explain your answer.
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
2. You are given the distance the car travels and
the length of time it takes for the car to come to a complete stop after the
driver applies the brakes. What is the expression for the car’s initial speed?
Fa Performance Expectation
PS2.3
Falling Objects
A juggler
throws a ball straight up into the air. The ball remains in the air for a time Dt before it lands back in the
juggler’s hand.
1. Answer
the following questions in terms of Dt and g.
a. What
is the acceleration of the ball during the entire time the ball is in the air?
Use your book and the not book to study the
following topics
•
Problem solving strategy
• Define
the following
Physics, branches of physics, mechanics,
stastical mechanics,theoretical physics, SI UNITS
• SCIENTIFIC
NOTATIONS
• SI
UNITS
• METRIC
UNITS
• KINEMATICS
• DYNAMICS
• DESCRIBING
MOTIONS
• AVERAGE
SPPED AND AVERAGE VELOCITY
• ACCELERTION
AND THE PROBLEMS
• TEMPERATURE
CONVERSION
• HOW
TO MAKE A PIE CHART?
• LINE
GRAPH
• DEFINE
AND SOLVE THE PROBLEMS RELATED TO THE FOLLOWING
SPEED
VELOCITY
VERAGE
VELOCITY
DISPLACEMENT
VECTOR
AND SCALR QUANTITIES
FREE
FALL
MEAN
STANDARD
DEVIATION
VARIANCE
AVERAGES,RATIOS,PROPORTIONS
SIGNIFICANT
FIGURES
NEWTON’S LAWS OF MOTIONS
FIRST, SECOND AND THIRD LAW OF MOTION
FREEFAL
WORK
ENERGY
TYPES OF ENERGY
KINETIc ENERGY
POTENTIAL ENERGY
• Practice
exercises
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