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Magnets and Magnetic Fields — Free MYP1 Sciences Practice Questions
1QuestionDrawing Magnetic Field LinesConcept Practice
2 marks~3 minCriterion A
The diagram shows a bar magnet with magnetic field lines drawn around it.
a
Identify one feature of the magnetic field lines shown in the diagram. [1]
b
Describe what the arrows on the field lines tell you about where a compass needle would point near the magnet. [1]
Solutions
2QuestionTemporary vs Permanent MagnetsAssessment Practice
4 marks~6 minCriterion D
A wooden pencil case needs a magnetic latch to keep it closed in a school bag and to open easily when needed. You can use a permanent magnet or an electromagnet (a wire wrapped around an iron nail connected to a battery).
a
Name the type of magnet that would work better for this latch. [1]
b
Describe one reason why the type of magnet you named in part (a) is better for this latch. [1]
c
The pencil case latch uses an electromagnet. Describe one problem with using an electromagnet and explain how this problem could stop the latch from working. [2]
Solutions
3QuestionDrawing Magnetic Field LinesConcept Practice
2 marks~3 minCriterion B
A student sprinkles 10, 20, or 30 iron filings onto paper placed over a bar magnet to see how the pattern of magnetic field lines changes.
a
Identify the independent variable in this investigation. [1]
b
Describe what the student keeps the same to make this a fair test. Give one example. [1]
Solutions
4QuestionEarth Magnetic Field IntroductoryConcept Practice
3 marks~5 minCriterion C
The table below shows the magnetic field strength at different latitudes on Earth's surface.
| Latitude (degrees) | 0 | 30 | 60 | 90 |
|---|---|---|---|---|
| Field strength (units) | 25 | 40 | 55 | 65 |
a
Identify the latitude where the magnetic field is weakest. [1]
b
Describe what happens to the magnetic field strength as latitude increases from 0° to 90°. [1]
c
Compare the magnetic field strength at the equator (0°) with the field strength at the poles (90°). [1]
Solutions
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