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Conductors and Insulators — Free MYP1 Sciences Practice Questions
1QuestionElectrical Safety and InsulationConcept Practice
2 marks~3 minCriterion A
The circuit diagram shows a battery, a bulb, a switch, and a fuse.
a
Identify the component in the circuit that protects it from too much electricity. [1]
b
Describe what this component does when too much electricity flows through the circuit. [1]
Solutions
2QuestionGood Conductors vs Poor ConductorsAssessment Practice
4 marks~6 minCriterion D
A school is building a safety railing next to electrical equipment. They are choosing between three materials: copper, rubber, and wood.
a
Name one material from the list that is a good conductor of electricity. [1]
b
Describe why copper would be dangerous to use for this railing. [1]
c
Compare rubber and wood as choices for the railing. In your answer, include one safety reason and one practical reason for each material. [2]
Solutions
3QuestionElectrical Safety and InsulationConcept Practice
2 marks~3 minCriterion B
A student tests four materials — a paper clip, a plastic straw, a wooden stick, and a copper wire — in a simple circuit with a battery and a bulb. They watch to see whether the bulb lights up.
a
Identify the independent variable in this investigation. [1]
b
Identify the dependent variable in this investigation. [1]
Solutions
4QuestionGood Conductors vs Poor ConductorsAssessment Practice
5 marks~8 minCriterion C
A student tests four materials in a simple circuit with a battery, a bulb, and wires.
| Material | Bulb brightness |
|---|---|
| Copper nail | Bright |
| Plastic straw | Off |
| Graphite pencil lead | Dim |
| Rubber band | Off |
a
Identify which material is the best conductor of electricity. [1]
b
Describe what the bulb brightness tells you about how well graphite pencil lead conducts electricity. [2]
c
A classmate says: "Only metals can conduct electricity." Describe whether this claim is correct, using two materials from the results to support your answer. [2]
Solutions
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