34288911
Descrição
Quiz por Teacher Scott, atualizado more than 1 year ago
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Criado por Teacher Scott
quase 3 anos atrás
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Questão 1
Questão
Which of the following is a source of electricity?
Responda
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Image:Strike (binary/octet-stream)
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Image:28723 (binary/octet-stream)
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All are sources of electricity
Questão 2
Questão
Look at the before and after pictures. What happened?
Responda
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Positively charged particles transferred from the towel to the balloon.
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Negatively charge particles transferred from the towel to the balloon.
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Nothing happened. They're both the same.
Questão 3
Responda
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light bulb
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battery
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switch
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current
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particle
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wires
Questão 4
Responda
- True
- False
Questão 5
Questão
The steady flow of electric charges is called
Responda
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charges
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current
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particles
Questão 6
Questão
Which of the following is an example of an electrostatic discharge or the release of static electricity.
Responda
Questão 7
Questão
Static electricity can happen when a person brushes their hair.
Responda
- True
- False
Questão 8
Questão
An electric current needs a path to flow along, also called a . . .
Image:
Icon (binary/octet-stream)
Responda
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circuit
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battery
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power source
Questão 9
Questão
Examples of conductors are:
Responda
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dry wood and most plastics
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copper and steel
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drinking water and rubber
Questão 10
Questão
Substances that do not allow electricity to pass through them are:
Responda
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conductors
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cells
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insulators
Questão 11
Questão
If you were going to build an electrical circuit, which of the following items would NOT be part of it?
Responda
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Power source, such as a battery
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Electrical appliance, such as a light bulb
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Wires made of gold
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Wires made of plastic
Questão 12
Responda
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repel
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attract
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do nothing
Questão 13
Questão
Why are electrical wires covered with plastic or rubber?
Responda
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Plastic and rubber are nice materials to touch.
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Smooth materials keep wires warm.
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Plastic and rubber are good electrical insulators.
Questão 14
Questão
Which of the following does a light bulb do?
Responda
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Change electrical energy into light energy
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Change light energy into electrical energy
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Change light energy into thermal energy
Questão 15
Questão
To repel means to . . .
Responda
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jump
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Push away
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Pull to you
Questão 16
Questão
Static electricity flows in the same direction.
Responda
- True
- False
Questão 17
Responda
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repel
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attract
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do nothing
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