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WorksheetsScience Assessment term 3
Total questions: 16
Worksheet time: 14mins
Which of these examples is an electrical insulator?
What causes static electricity? (choose more than 1 answer)
battery, wire and light bulb are connected in a circuit
the imbalance between positive and negative charges in an object
The rubbing of certain materials against one another
battery, iron nail and wire are connected to attract paper clips
Look at the picture and state whether it is series or parallel.
(a)
Look at the picture and state whether it is closed or open circuit.
(a)
What will happen to these magnets
repel each other
attract each other
Choose the conditions where magnets repel each other. (choose more than one answer)
What makes magnets attract each other?
(a)
Look at the pair of magnets, predict if the pairs will attract or repel each other.
attract
repel
Which of these statements are correct about electromagnet? (choose 2 correct answers)
increasing the numbers of coils increases the strength of an electromagnet.
the bigger the number of coils, the less paper clip attached
Increasing the voltage provided (battery) increases the strength of an electromagnet.
the more the battery, the less paper clip attached
Which of the followings are the examples of electromagnet in daily life? (choose more than 1 answers)
There are (a) types of simple machines.
A (a) helps to split or cut an object.
A nutcracker is an example of lever class______
one
two
three
A pair of scissors is combination of two simple machines, what are they?
screw and pulley
lever class 1 and wheel and axle
lever class 1 and wedge
inclined plane and screw
Which of the followings are application of screw? (choose 2 correct answers)
iron nail
drill
jar lid
fishing rod
List down parts of bicycle that are examples of 4 different simple machines!
