D
BURGLAR ALERT
a Imagine doing tests with some materials using the equipment in the diagram. Predict the results,
and record them with a 'yes' or 'no' in the table below.
MATERIAL
DOES THE BULB LIGHT UP?
Plastic
Copper
Paper
Aluminium foil
Material under test
Wood
Iron
b Which of the materials are metals?
Which are insulators?
4 Both of the following diagrams show electric charges.
Complete the table below.
TYPE OF CHARGE
WHAT HAPPENS TO THE CHARGE STATIC ELECTRICITY OR
(POSITIVE OR NEGATIVE)
(STAYS STILL OR MOVES)
ELECTRIC CURRENT
А
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