Curriculum
Course: Alhussan Physics — Stage 8
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Curriculum

Alhussan Physics — Stage 8

Chapter 6: Forces, Motion and Pressure

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Chapter 7: Light

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Chapter 8: Magnetism and Electromagnets

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Chapter 9: Energy Resources

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Chapter 10: The Earth in Space (Galaxies and Asteroids)

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Quiz

8.5 Risk, variables, and tables: investigating electromagnets — Quiz

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  • Questions count: 10
  • Passing grade: B+
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1.
In the paper clip investigation, what is the dependent variable?
Voltage
Type of core
Number of paper clips lifted
Number of turns
2.
Which term matches this definition? “A possible harm and how likely it is, considered before an experiment.”
Variable
Risk
Conclusion
Prediction
3.
How can the risk of burns be reduced?
Turn the current on only briefly and use low voltage
Use bare wires
Use high voltage
Leave the current on
4.
True or false? The wire of an electromagnet can get hot and burn skin.
True
False
5.
Use ____ wires and check connections.
thin uncoated
bare
insulated
wet
6.
True or false? In a fair test, you change the number of turns and the voltage at the same time.
True
False
7.
Paper clips lifted with different numbers of turns. Which graph is correct?
Dr Dabour Hub Academy - figure 1
A
B
C
D
8.
The table shows results. Which reading should be repeated?
Dr Dabour Hub Academy - figure 2
20 turns, trial 2
30 turns
40 turns
10 turns
9.
Mean clips at 40 turns from trials 14 and 15?
14.0 clips
145.0 clips
29.0 clips
14.5 clips
10.
Why does the current depend on the voltage and type of wire?
They do not
Only colour matters
Only length matters
They both affect how much current flows
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Part of Chapter 8: Magnetism and Electromagnets — see every lesson and quiz in this unit.
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