Quiz
Ch. 9 Electricity Test
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Perguntas do quiz (17)
1Which of the following is a source of electricity?
- A
- B
- C
- DAll are sources of electricity
- A
2Look at the before and after pictures. What happened?
- APositively charged particles transferred from the towel to the balloon.
- BNegatively charge particles transferred from the towel to the balloon.
- CNothing happened. They're both the same.
3Label the parts of a circuit.
- Alight bulb
- Bbattery
- Cswitch
- Dcurrent
- Eparticle
- Fwires
4Batteries are not a source of electricity.
- AVerdadeiro
- BFalso
5The steady flow of electric charges is called
- Acharges
- Bcurrent
- Cparticles
6Which of the following is an example of an electrostatic discharge or the release of static electricity.
- A
- B
- A
7Static electricity can happen when a person brushes their hair.
- AVerdadeiro
- BFalso
8An electric current needs a path to flow along, also called a . . .
- Acircuit
- Bbattery
- Cpower source
9Examples of conductors are:
- Adry wood and most plastics
- Bcopper and steel
- Cdrinking water and rubber
10Substances that do not allow electricity to pass through them are:
- Aconductors
- Bcells
- Cinsulators
11If you were going to build an electrical circuit, which of the following items would NOT be part of it?
- APower source, such as a battery
- BElectrical appliance, such as a light bulb
- CWires made of gold
- DWires made of plastic
12Unlike charges will . . .
- Arepel
- Battract
- Cdo nothing
13Why are electrical wires covered with plastic or rubber?
- APlastic and rubber are nice materials to touch.
- BSmooth materials keep wires warm.
- CPlastic and rubber are good electrical insulators.
14Which of the following does a light bulb do?
- AChange electrical energy into light energy
- BChange light energy into electrical energy
- CChange light energy into thermal energy
15To repel means to . . .
- Ajump
- BPush away
- CPull to you
16Static electricity flows in the same direction.
- AVerdadeiro
- BFalso
17Like charges will . . .
- Arepel
- Battract
- Cdo nothing
Informações
- Descrição
- The basics about electricity and circuits.
- Autor
- Teacher Scott
- Idioma
- English
- Visualizações
- 369
- Etiquetas
- Avaliação
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