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Integrated Chemistry and Physics (4) Interim Assessment (3) Page 1
Name ____________________________________ Date ____________________ ID __________________
Integrated Chemistry and Physics (4) Interim Assessment Third Grading Period
1. Given the information shown in the chart above, which energy source has shown the greatest percentage decrease between 1945 and 1995.
Hydroelectric
Natural Gas
Oil
Coal
2. A marble is released from point A at the rim of a bowl and rolls down to point B at the bottom of the bowl. Assume no air resistance or friction and the potential energy at point B is zero. The potential energy at point A will be
greater than the kinetic energy at point B.
less than the kinetic energy at point B.
equal to the kinetic energy at point B.
twice as great as the kinetic energy at point B.
Energy Use in the United States (1945 to 1995)
Hydroelectric Natural Gas Oil Coal Year 1945 5% 12% 32% 51% 1995 4% 7% 24% 42%
Integrated Chemistry and Physics (4) Interim Assessment (3) Page 2
3. All the waves shown are traveling at the same speed. Which wave has the greatest frequency?
I
II
III
IV
4. Light is a transverse wave and sound is a longitudinal wave. During the passage of a longitudinal wave, a particle of the material the wave travels through (the medium)
remains in a fixed position at all times.
moves at right angles (perpendicular) to the direction of the wave.
moves forward and backward (parallel) to the direction of the wave.
moves forward with the wave.
5. When rays of light parallel to each other shine on a flat mirror at an angle to the normal, the reflected rays shine back
parallel to each other and at different angles.
perpendicular to each other and at the same angles.
parallel to each other and at the same angles.
perpendicular to each other and at different angles.
Integrated Chemistry and Physics (4) Interim Assessment (3) Page 3
6. Laser light waves are used in all of the following common devices except
CD players
microwave ovens
hand held pointers
optical scanners
7. Condensation and evaporation commonly occur in various types of weather. However, condensation and evaporation are opposite processes, because gases condense to form liquids, and liquids evaporate to form gases. In terms of heat transfer,
both are cooling processes.
both are heating processes.
evaporation is cooling process and condensation is a heating process.
condensation is a cooling process and evaporation is a heating process.
8. In general, metals are both good heat conductors and good electrical conductors. Metals are good at both because of the
hardness of the metals.
looseness of their outer electrons.
high density of the metals.
high elasticity of the metals.
9. When water boils in a cooking pot, we can see that the water is moving. Which one of the following processes of heat transfer requires the movement of a liquid or a gas?
convection
radiation
reflection
conduction
Integrated Chemistry and Physics (4) Interim Assessment (3) Page 4
2 4 6 8
+2
-2
x(m)
y(m)
0
10. The graph shows a wave traveling to the right with a velocity of 4 m/s. The amplitude of this wave is
2 m
4 m
6 m
8 m
11. Consider the following statements about electromagnetic waves. The only statement that is true is
electromagnetic waves include radio waves, X rays, gamma rays, and microwaves.
electromagnetic waves require a medium to travel through.
electromagnetic waves travel through a vacuum at approximately 343 m/s.
electromagnetic waves are always visible.
12. Sound waves could not be used for echolocation by bats, submarines, or in medical procedures if waves did not have the following characteristic:
interference
reflection
polarization
resonance
Integrated Chemistry and Physics (4) Interim Assessment (3) Page 5
13. In the chart shown above, the four sources of energy (hydroelectric, oil, coal, and natural gas) add up to 100% for 1945. However, the four sources do not add up to 100% in 1995. One possible reason for this could be that
the United States was using less energy in 1995.
the percentages for all sources do not always add up to 100%.
the percentages were less, but the total amounts were more in 1995.
newer forms of energy, like Nuclear, were being used in 1995.
14. Batteries are used to generate electricity for many of the devices we use today. Batteries can be non-rechargeable (one time use, then disposed of) or they can be the rechargeable type. The economic impact of using rechargeable batteries instead of non-rechargeable include:
rechargeable batteries cost less to buy, and there are less batteries to dispose of.
rechargeable batteries cost more to buy, and there are less batteries to dispose of.
rechargeable batteries cost less to buy, and there are more batteries to dispose of.
rechargeable batteries cost more to buy, and there are more batteries to dispose of.
15. If appliances and lights in your house were connected in series circuits instead of parallel circuits, whenever you turned on another light or electrical device the other lights that were already on would
all go out completely.
all get brighter.
all get dimmer.
not be affected.
Energy Use in the United States (1945 to 1995)
Hydroelectric Natural Gas Oil Coal Year 1945 5% 12% 32% 51% 1995 4% 7% 24% 42%
Integrated Chemistry and Physics (4) Interim Assessment (3) Page 6
16. Look at the formula chart provided with this test. The chart contains a metric scale for measuring distance or length. What is the greatest precision which can be attained with this scale?
cm
m
dm
mm
17. Information can often best be presented in a graph. Which type of graph would be most useful for comparing the energy consumption of the top consuming countries with the total energy consumption in 1987?
a pie chart
a bar graph
a line graph
a scatter plot
Top Energy Consuming Countries (1987)
United States U.S.S.R. China Japan All others 24.6% 18.0% 7.8% 4.9% 44.7%
Integrated Chemistry and Physics (4) Interim Assessment (3) Page 7
18. Sketch A (at the top) shows two identical pulses traveling towards each other along a string, each with a velocity of 1.0 cm/s. After 4.0 s, the string will look like which of the other sketches?
1
2
3
4
19. To produce electricity by electromagnetic induction, a coil of wire must move within a magnetic field. This process requires an energy source to power the movement of the coil. Nuclear energy, wind, water, fossil fuels, sunlight, and geothermal energy are all energy sources used in the United States to produce electricity. Which of these is used far more often than any of the others?
Nuclear
Water
Wind
Fossil Fuels
Integrated Chemistry and Physics (4) Interim Assessment (3) Page 8
20. You just built an electromagnet by wrapping wire around a large iron nail 100 times. While you are preparing your lab report, another student removes 10 of the wrappings from around the electromagnet. If you now test the electromagnet again it will
pick up less iron filings than before.
pick up more iron filings before.
pick up the same amount as before.
not pick up any iron filings.
Integrated Chemistry and Physics (4) Interim Assessment (3) Page 9
Read the article Doppler Radar Provides Shift in How We Analyze Storms to answer questions 21-24.
Doppler Radar Provides Shift in How We Analyze Storms No doubt many of you have tuned in the television weather forecast during severe weather and heard the term “Doppler radar”. But have you ever wanted to know why it is called that? The word radar is an acronym for radio detection and ranging. The British Physicist Sir Robert Alexander Watson-Watt first produced radar in 1935. The primary function of radar is to detect objects in the atmosphere by sending a focused radio wave into the air and listening for a return echo. Radio waves that strike an object will bounce back a return signal of a particular strength and direction. Doppler radars are the new generation of radar that use sophisticated computers that not only look at the radar signals being returned to the dish, but can calculate down to thousandths of a second the speed in which that signal returns. With that ability to detect minute delays in a signal return, these radars are able to measure small movements within the storms themselves, and thus are able to tell us which direction the rain within the storm is moving. By tracking small raindrops and their positions within the storm, we are able to “see the wind” inside the storms and determine if there is a cyclonic rotation that could produce damaging winds or a tornado. These new radars are called Doppler because they use a formula called the “Doppler Shift” that reads a change in frequency based on waves moving away or towards the radar. The Doppler Shift is named after Austrian Physicist Christian Andreas Doppler.
Reference: “Doppler radar provide shifts in way we analyze storms”, by Albert Flores, San Antonio Express News
Integrated Chemistry and Physics (4) Interim Assessment (3) Page 10
21. The author's purpose in writing this article was to
tell us about the discovery of radar.
tell us about early Physicists and their discoveries.
tell us about how Doppler Radar is used in weather forecasting.
tell us about how computers are used in weather forecasting.
22. Early radar systems could not be used for predicting tornadoes because
they could not look high enough in the sky.
they were not connected to sophisticated computers.
the radio waves did not bounce back.
they did not register a Doppler Shift.
23. The word "acronym" as used in the first paragraph means a word that
when spoken sounds like another word.
has the same meaning as another word.
has a similar spelling to another word.
is formed from the first letters of other words.
24. Early radar systems determined how far away an object was by measuring the time between the "sent-out" wave and the "return wave". Early radar could also estimate the size of an object by measuring the strength of the return signal. Modern "Doppler radar" can tell if an object is moving away or towards the radar by reading the Choose One:
change in strength of the two waves.
size of the amplitude of the "return wave."
change in frequency between the two waves.
size of the wavelength of the "sent-out" wave.
Name___________________________ Date___________________ ID ____________
Integrated Physics and Chemistry (4) Interim Assessment Third Grading Period
Answer Document
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13
Density =
( ) = ( )( )( )Speed =
Acceleration =
Momentum = mass × velocity
Force = mass × acceleration
Work = force × distance
Power =
% efficiency = × 100
Kinetic energy = (mass × velocity 2)
Gravitational potential energy = mass × acceleration due to gravity × height
Energy = mass × (speed of light) 2
Velocity of a wave = frequency × wavelength
Current =
Electrical power = voltage × current
Electrical energy = power × time
voltageresistance
12
work outputwork input
worktime
final velocity − initial velocitychange in time
distancetime
specificheat
change intemperature
mass ingrams
heat gained orlost by water
massvolume
FORMULA CHARTfor Grades 10–11 Science Assessment
Constants/Conversions
g = acceleration due to gravity = 9.8 m/s 2
c = speed of light = 3 × 10 8 m/s
speed of sound = 343 m/s at 20°C
1 cm 3 = 1 mL
1 wave/second = 1 hertz (Hz)
1 calorie (cal) = 4.18 joules
1000 calories (cal) = 1 Calorie (Cal) = 1 kilocalorie (kcal)
newton (N) = kgm/s 2
joule (J) = Nm
watt (W) = J/s = Nm/s
volt (V) ampere (A) ohm (Ω)
10
23
45
67
89
1011
1213
1415
1617
1819
20
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etersD =
Q = (m)(∆T)(Cp)
s =
a =
p = mv
F = ma
W = Fd
P =
% = × 100
KE =
GPE = mgh
E = mc 2
v = f λ
I =
P = VI
E = Pt
VR
mv 2
2
WO
WI
Wt
vf − vi
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13 IIIA
14 IVA
15 VA
16 VIA
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Cu
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PbSnGe
Bi
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