WorksheetsG4 EASE Science Past Papers 2021/2022
Total questions: 25
Worksheet time: 13mins
The CORRECT statement about the switch is _____
we cannot replace a switch with a coin
a switch allows us to not need to break wires
opening the switch causes the bulb to light up
closing the switch allows the electricity to flow
Pure water does not allow electricity to pass through it, but _____ water allows electricity to pass through it.
rain
salty
distilled
evaporated
A material that does not allow electricity to pass through it, is called an electrical _____
connector
conductor
insulator
inductor
An example of a material that allows electricity to pass through it is ____
copper
plastic
rubber
wood
Study the picture. The object that is shown in the picture is an example of ____
conductor
connector
insulator
inductor
Study the picture. The bulb will not light up because ____
a plastic spoon is a good electrical conductor
a plastic spoon is an electrical insulator
the switch is open
the switch is closed
Water comes from a river or a tap is not pure because ____
it has nothing dissolved in it
it is not safe to drink
it contains salt
it contains dirt
Study the picture. The bulb will light up if we put an/a _____ to connect the wire.
chalk
glass bottle
metal chain
plastic spoon
Study the picture.
Part X which is shown in the picture is an example of electrical ____
conductor
insulator
metal
heat
Study the table. The correct information about the electrical conductor and electrical insulator is stated by numbers _______
1 and2
2 and 3
3 and 4
4 and 2
Pure water is _____
some water with no salt dissolves in it
some water with acid dissolves in it
some water with salt dissolves in it
some river water
Steam from the boiling water, that is being cooled down to form another liquid water is called _____ water.
distilled
steamy
liquid
clean
We need to dry our hands before using electrical appliances because _______.
electrical appliances will not work if our hands are dry
it is easier to get an electric shock if our hands are wet
electrical appliances will last longer
we need to stay hygienic
Study the picture. This object has the strength of electricity ____ V.
1.5
3
9
12
Jawad has just completed a 20 km run. He is very hot and sweaty. The first thing he does when he gets home is turn on the electric fan. Jawad moves the fan and touches some bare connecting wire where the plastic insulation has worn away. The factor that caused Jawad to get electric shocks is ______
he had just run.
he had dry hands
the electricity was switched off.
the plastic insulation had worn off the wire where he held it.
Study the picture. The correct statement about the picture is _____
the liquid in container P is pure water.
the liquid in container Q is saltwater.
the liquid in container P can conduct electricity.
the liquid in container Q can conduct electricity.
The strength of electricity supplies is called as ______
battery
voltage
energy
power
Pylon is used for _______
blocking the electrical current
breaking and connecting the wires
letting electricity flow from mains to appliances
carrying electricity in large wires from where the electricity is made to where it is used
Parts of a plug that allow electricity to pass through is the _____
pins
wall sockets
rubber covers
plastic casings
Study the picture. Object that uses mains electricity as the source of energy is ____
1 and 2
1 and 3
2 and 3
2 and 4
Study the picture. A switch is shown in number ______.
1
2
3
4
Study the picture. Parts of the object that are made of insulator materials are shown in number ____
1 and 2
1 and 3
2 and 3
2 and 4
Study the picture. The lamp in this circuit will _____
not light up because the switch is closed
not light up because the switch is open
light up because the switch is closed
light up because the switch is open
Study these steps
1. grip the plug
2. turn off the switch
3. make sure the hands are dry
4. pull the plug out of the socket
Dad wants to unplug the rice cooker after washing the dishes. The correct steps in order to do it in the safest way is ____
1) - 2) – 3) - 4)
2) - 4) – 3) - 1)
3) - 2) – 1) - 4)
4) - 3) – 2) - 1)
Study the table. The circuit that produces the brightest lamp is shown in number ______
4
3
2
1
