Science 9 Test Outline:
Characteristics of Electricity (7.1 – 9.2)
Prescribed Learning Outcomes:
These are the outcomes covered by this test as defined in the Science 9 Curriculum.
 C5 explain the production, transfer, and interaction of static electrical charges in various materials
 C6 explain how electric current results from separation of charge and the movement of electrons
 C7 compare series and parallel circuits involving varying resistances, voltages, and currents
 C8 relate electrical energy to power consumption
Chapter 7 Breakdown:
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7.1 Static Charge [p. 248]
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Write the definition of static charge [p. 248]: _________________________________________
What was Benjamin Franklin’s theory of electricity? [p. 249]
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Understand what is happening in fig. 7.3 [p. 250] where electrons are being transferred from
one material to another. Count the number of negative charges in both materials before and
after (A  B). What changed?
Define and give an example of an insulator [p. 252]:___________________________________
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Define and give an example of a conductor [p. 252]:___________________________________
What is the unit of electric charge?
What is grounding and why is it important to know how it works? [p. 254]
DO #4 – 10, 12, 13, 15 [p. 257]
7.2 Electric Force [p. 258]
 Why is electric force an action-at-a-distance force and not a contact force? [p. 258]
 List the laws of static charge [p. 259]:
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Explain the difference between charging by conduction and charging by induction [p. 259].
Explain why a charged balloon will stick to a neutral wall. Draw a diagram to illustrate this:
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DO #1-6, 9, 10 [p. 265]
DO #5-7, 12 [p. 266]
Page 1 of 3
Chapter 8 Breakdown:
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8.1 Electric Potential Energy and Voltage [p. 270]
 What’s another name for voltage? [p. 272]
 Fill in the following chart:
Name
Voltage
Symbol
I
Unit
Device

Ohmmeter
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Draw a diagram of a dry cell battery and label all parts. [p. 273]
8.2 Electric Current [p. 280]
 Look at fig. 8.9 on p. 281 and read the descriptions (A – E). Think about how this is similar to
electrons in a circuit.
 Draw circuit diagrams of the three circuits at the top of p. 283 using the symbols from fig. 8.10:
Name
Circuit A
Circuit B
Circuit C
Diagram
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Conventional current flows from the ________ terminal to the ________ terminal of a battery.
Explain why electrons actually flow in the opposite direction to current using the keywords
attract and repel.
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DO #3 – 5, 9, 13 [p. 289]
8.3 Resistance and Ohm’s Law [p. 290]
 Define resistance [p. 290]: ________________________________________________________
 Write the formula for Ohm’s Law [p. 292]: ________________
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Read over and remember the conversions at the bottom of p. 293.
What do the colour bands on a resistor tell you? [p. 297]
DO #1, 3 – 5, 7 – 10, 12, 13 [p. 301]
DO #2, 4, 21, 23, 25 – 29, 31 [p. 303]
Page 2 of 3
Chapter 9 Breakdown:
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9.1 Series and Parallel Circuits [p. 306]
 Review all BLM circuit diagram worksheets –make calculations and solve for missing values
 Copy out the indicated figures on pages 309 and 312 as well as their captions:
Fig. 9.5, pg. 309
Fig. 9.6, pg. 309
Caption:
Caption
Fig. 9.9, pg. 312
Fig. 9.10, pg. 312
Caption:
Caption:
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To increase the total resistance of the circuit, should we add resistors in parallel or in series?
DO #1 – 4, 6 – 10 [p. 319]
9.2 The Power of Electricity [p. 320]
 Fill in the following table:
Name
Power
Energy
Energy in the Home
Unit
watt
kilowatt-hour
Unit Symbol
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J
Define electrical power [p. 322]: ___________________________________________________
Write the formula to calculate power [p. 323]: ________________
What does it mean if a hair dryer shows a power rating of 2000 W?
Write the formula for energy consumption [p. 324]: ________________
Why do we use kilowatt-hours when measuring energy used in the home?
What does a surge protector do? [p. 326]
 Review all Workbook Questions and Answers
DO #3, 9 – 11 [p. 329]
 Review all Notes
DO #2 – 7, 9 – 11, 14 – 22 [p. 330, 331]
Page 3 of 3
 Bring a Calculator to the test