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Study
Grade 5 - Revision of Unit 7-8
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We need to burn fossil fuels to get energy. TRUE or FALSE?
TRUE
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Name two ends of a battery
negative end, positive end
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What are insulators?
Insulators are materials which do not allow electricity to pass through.
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Two examples of insulator
Paper, wood, ceramics...
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Name 3 renewable sources of energy
hydropower, wind power, solar energy
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Name 2 materials that can be used to make the core of electric wires.
Copper, iron, silver, steel...
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Anna has a battery and a wire. What does she need to add in to make a simple circuit?
a light bulb (or other electrical device)
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Should we touch the conductor in a circuit by our hand?
NO!!!
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Name 3 non-renewable sources of energy
coal, crude oil, natural gas
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The using of non-renewable sources of energy causes pollution. TRUE or FALSE?
TRUE
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Metals are conductors or insulators?
Conductors
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Plastic is conductor or insulator?
insulator
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What are conductors?
Conductors are materials which allow electricity to pass through.
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Name 3 devices that need electricity
light bulb, fan, computer, phone....
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Non-re_ _w_ble source of energy
Non-renewable source of energy (n, e, a)
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Porcelain is conductor or insulator?
insulator
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Name a material that can be used to make the outer of electric wires.
plastic
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Renewable sources of energy are unlimited. TRUE or FALSE?
TRUE
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Name one conductor in your house. For example: a metal spoon
a metal knife, a pair of scissors, a metal pot...
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Coal is a type of fossil fuel. TRUE or FALSE?
TRUE
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F_s_il fuel
Fossil fuel (o, s)
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Two examples of conductor
Copper, iron, silver, steel...
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Name one insulator in your house. For example: glasses, a book....
clothes, a ceramic pot, a rubber band, a balloon, a plastic cup...
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Name 3 main components of a simple circuit
battery (or power source), wire, light bulb (or electrical device)
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