2036458
Beschreibung
Quiz von Sara Álvarez, aktualisiert more than 1 year ago
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Erstellt von Sara Álvarez
vor etwa 9 Jahre
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Frage 1
Frage
Machines are objects that we use to save time and energy.
Antworten
- True
- False
Frage 2
Frage
There are two kinds of machines by their complexity: simples or complex.
Antworten
- True
- False
Frage 3
Frage
The machines never use a person´s energy.
Antworten
- True
- False
Frage 4
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The machines can use wind or water energy.
Antworten
- True
- False
Frage 5
Frage
Many machines use electricity or electrical current.
Antworten
- True
- False
Frage 6
Frage
The most of cars need combustible fuel to work. It's the energy for them.
Antworten
- True
- False
Frage 7
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Wheels, pulley are complex machines.
Antworten
- True
- False
Frage 8
Frage
Mechanical machines are used to lift light objects but we don't use that to produce movement.
Antworten
- True
- False
Frage 9
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Machines make the work harder for workers.
Antworten
- True
- False
Frage 10
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We can find two kinds of mechanical machines: Manual and Automatic.
Antworten
- True
- False
Frage 11
Frage
Machines make our life easier in the communication.
Antworten
- True
- False
Frage 12
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The structure of a machine is the skeleton of the machine.
Antworten
- True
- False
Frage 13
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The housing doesn't protect the machine.
Antworten
- True
- False
Frage 14
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Automatic machines that produce movement have a motor engine.
Antworten
- True
- False
Frage 15
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Electrical circuits and electronic circuits direct the energy to the motor and other parts.
Antworten
- True
- False
Frage 16
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Sensors don't enable the machine to receive information from the outside or inside of the machine.
Antworten
- True
- False
Frage 17
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An antenna isn't a sensor.
Antworten
- True
- False
Frage 18
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Indicators and screen give us information about how the machine is functioning.
Antworten
- True
- False
Frage 19
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Operating parts are the moving pieces os a mechanical machine.
Antworten
- True
- False
Frage 20
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Wheels and axles aren't an operating parts.
Antworten
- True
- False
Frage 21
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Gears don't need teeth or cogs to transmit movement.
Antworten
- True
- False
Frage 22
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Machines can do the work of more than one person at once.
Antworten
- True
- False
Frage 23
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Modern transportation allows us to travel far away.
Antworten
- True
- False
Frage 24
Frage
The combustible fossil in different types of transportation is perfect for the environment.
Antworten
- True
- False
Frage 25
Frage
Machines haven't done advances in health.
Antworten
- True
- False
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