Download Diagnostic Assessment Teacher`s Version

Diagnostic Assessment
Teacher’s Version
The CrickSAT Mission
Diagnostic Assessment
Directions: Choose the best answer for each of the following questions.
1. What value of resistor will be needed to produce a current of .1 A when a voltage
of 12V is applied across a resistor?
A. 120 A
B. 120 Ω
C. .01 V
D. 1.20 Ω
Answer: B
(learning outcome: Introduction to Basic Electricity, Ohm’s Law, and
simple circuits)
2. What would be the resistor color code for the resistor needed in the above circuit
if it had to have a +/- 5% tolerance?
A. Black
Red
Black
Gold
B. Red
Black
Yellow
Silver
C. Brown
Red
Brown
Gold
D. Brown
Green
Black
Silver
Answer: C (learning outcome: Introduction to Basic Electricity, Ohm’s Law, and
simple circuits)
3. A circuit needs a resistor that is 220 Ω. However when you used a multimeter to
measure across the resistor the measurement reading is 115 Ω. Which of the
following statements about the resistor is correct?
A. The resistor is good because it is within a +/- 5% tolerance rating and can
be used in the circuit.
B. The resistor cannot be used in the circuit because it has the incorrect
meter reading.
C. The resistor is within the +/- 1 % tolerance rating and can be used in the
circuit.
D. The resistor color bands have been labeled incorrectly and the resistor
should be thrown away
Answer: A (learning outcome: Introduction to Basic Electricity, Ohm’s Law, and
simple circuits)
Diagnostic Assessment
Teacher’s Version
4. To maintain a charge flow in an electric circuit, at least two requirements must be
met:
#1: An external energy supply (e.g., battery, wall outlet, generator, etc.) to
pump the charge through the internal circuit and establish a potential
difference across the circuit.
#2: The external circuit must make up a "closed conducting loop" between
the + and - terminal.
Utilize your understanding of these requirements to
decide which statement below is true of the
following situation. Decide whether charge would
flow through the following circuits or if there is no
charge flow and then why not.
A. The electric charge will flow through the
circuit because the battery is connect with
conducting wires from the + terminal to the –
Figure 1
terminal.
B. The electric charge will not flow because it is an open circuit.
C. The electric charge will flow because the external energy supply has
produced a potential difference across the circuit.
D. The electric charge will not flow because the light bulb is incorrectly
linked in the series circuit.
Answer B: ((learning outcome: Introduction to Basic Electricity, Ohm’s Law, and
simple circuits)
Figure 2
5. In Figure 2 the wavelength is represented by
A. A
B. B
C. C
D. D
E. E
Answer A: (Learning outcome: Wave properties and Electromagnetic Spectrum)
Diagnostic Assessment
Teacher’s Version
6. What is it called when a certain number of waves pass a given point per a certain
number of seconds?
A. wavelength
B. frequency
C. amplitude
D. origin
Answer B; (Learning outcome: Wave properties and Electromagnetic Spectrum)
7. As frequency increases, wavelength _______________________.
A. Increases
B. Remains constant
C. Decreases
D. Becomes faster
Answer C: (Learning outcome: Wave properties and Electromagnetic Spectrum)
8. In telecommunications and signal processing the information signal can rarely be
transmitted as is, it must go through a process of encoding of information in a
carrier wave by varying the instantaneous frequency of the wave. This process is
called
A. frequency transmission
B. frequency receiving
C. frequency oscillation
D. frequency modulation
Answer D: (Learning Outcome: radio communications)
9. What layer or layers of the atmosphere are within 5 km above the earth’s
surface?
A. Thermosphere
B. Thermosphere and Troposphere
C. Troposphere
D. Troposphere and stratosphere
Answer C : (Learning Outcome; Earth’s Atmosphere)
10. Predict the expected outcome of the temperature as altitude increases to a
maximum of 5km from the earth’s surface on a typical July day.
A. The temperature would increase steadily up to 5km.
B. The temperature would decrease steadily up to 5km.
C. The temperature would increase the first 3 km and then level off with no
change.
D. The temperature would decrease the first 3 km and then increase up to 5 km.
Answer B: (Learning outcome: Earth’s Atmosphere)
Diagnostic Assessment
Teacher’s Version
11. Predict the expected outcome of the atmospheric pressure as altitude increases
to a maximum of 5 km from the earth’s surface on a typical July day.
A. The atmospheric pressure would increase steadily up to 5km.
B. The atmospheric pressure would decrease steadily up to 5km.
C. The atmospheric pressure would increase the first 3 km and then level off
with no change.
D. The atmospheric pressure would decrease the first 3 km and then increase
up to 5 km.
Answer B: (Learning outcome: Earth’s Atmosphere)
40
Temperature v Frequency
Temperature (C°)
30
20
10
Series1
0
0
500
1000
1500
2000
2500
-10
-20
Frequency (KHz)
Figure 3
12. Analyze the graph in Figure 3. Which of the following statements best explains
an analysis of the data?
A. The temperature and frequency data has a negative correlation.
B. Temperature and frequency do not have a mathematical relationship.
C. The temperature and frequency data has a positive correlation.
D. The temperature and frequency data can be used to estimate altitude.
Answer C: (Learning Outcome: Data analysis and interpretation)
Diagnostic Assessment
Teacher’s Version
13. The most likely reason for a helium filed balloon to rise in the atmosphere is
A. the gas inside of the balloon is less dense than the gas it's displacing around
it(air).
B. the gas on the outside of the balloon has less atmospheric pressure.
C. the gas inside the balloon is more dense than the gas it’s displacing around it
(air).
D. the helium gas has more particles of helium per square inch than does the
surrounding air.
Answer A: (Learning Outcome: Buoyancy and High Altitude Balloons)
14. Predict the expected outcome of a high altitude helium balloon as it increases in
altitude from the surface of the earth up to 5 km.
A. The helium filled high altitude balloon would not be affected by the increase in
altitude.
B. The helium filled high altitude balloon would shrink in size due to the decrease of
temperature.
C. The helium filled high altitude balloon would increase in size and burst due to
the increase of temperature.
D. The helium filled high altitude balloon would increase in size and burst due to
the decrease in atmospheric pressure on the out side of the balloon.
Answer D: (Learning Outcome: Buoyancy and High Altitude Balloons)
15. When soldering sometimes a “cold” solder joint is created. What is a “cold” solder
joint?
A. Solder that was not heated adequately to make a strong bond with the board.
B. A piece of solder lain across two parts without heating.
C. Solder that has cooled to room temperature
D. A refrigerated solder connection.
Answer A: (Learning Outcome: Soldering Electronics)
16. What are common names for some primary discrete components used on a circuit
board?
A. Fuse clamp, chassis, probe
B. Header, receptacle, via
C. Resistors, capacitors, diodes
D. Silicon, ceramic, conformal coating
Answer C: (Learning Outcome: Soldering Electronics)
Diagnostic Assessment
Teacher’s Version
17. What is the electrical component in figure 4?
A. High frequency multiplexer
B. 50 watt resistor
C. 555 timer
D. light emitting diode (LED)
Answer D: (Learning Outcome: Soldering Electronics)
Figure 4
Figure 5
18. What is the electrical component in figure 5?
A. High frequency multiplexer
B. Resistor
C. 555 timer
D. light emitting diode (LED)
Answer B: (Learning Outcome: Soldering Electronics)
Figure 6
19. The schematic symbol in Figure 6 represents a _____________.
A. Battery
B. Resistor
C. LED
D. Motor
Answer A: (Learning Outcome: Soldering Electronics)
Diagnostic Assessment
Teacher’s Version
Figure 7
20.
The two schematic symbols in Figure 7 represent a _________________________.
A. Battery
B. Resistor
C. LED
D. Motor
Answer B: (Learning Outcome: Soldering Electronics
Diagnostic Assessment
Teacher’s Version
Reference Page
The Electromagnetic Spectrum
Mr Calaski.. “Science, news, and class information” Web. 08 July 2013
Resistor Color Code Chart