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Quiz

TECHNOLOGY UNIT 9 TEST

MIGUEL ANGEL BAUTISTA ROMERO 5 perguntas

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Perguntas do quiz (5)

  1. 1We can also classify machines by their function.

    Information-processing machines are used to communicate and to make calculations. Computers, [blank_start]mobile phones[blank_end] and digital cameras are three common examples.

    [blank_start]thermal[blank_end] machines make things hot or [blank_start]cold[blank_end] Air-conditioners and heaters are examples of thermal machines.

    Mechanical machines produce movement, also known as kinetic energy. Cars, motorcycles, electric toothbrushes and [blank_start]washing machines[blank_end] are examples of mechanical machines.
    1. Amobile phones
    2. Bvacuum cleaners
    3. Cdish washers
    4. Dthermal
    5. Emechanical
    6. Finformation-processing
    7. Gcold
    8. Hclean
    9. Ieasier
    10. Jwashing machines
    11. Khair dryers
    12. Lcalculators
  2. 2ClassifyImagem da pergunta 2
    1. Adiesel
    2. Bplugs
    3. Celectricity
    4. Dold mills
    5. Ebikes
    6. Fbatteries
    7. GDVDs
  3. 3What simple machines do you know of?

    - We use [blank_start]wheel[blank_end] and axel to move things more easily.
    - [blank_start]Screw[blank_end] is an inclined plane which goes around a cylinder or a cone. We use to hold things togetherAP.
    - A pulley has a [blank_start]wheel and axle[blank_end] and a rope. We use it to lift objects more easily.
    - [blank_start]Lever[blank_end] a fulcrum is a rigid bar which turns on a support called a fulcrum.
    - Gears are wheels with [blank_start]teeth[blank_end] that fit together. When one wheel turns the other one turns too, but in the [blank_start]opposite[blank_end] direction.

    Imagem da pergunta 3
    1. Awheel
    2. BScrew
    3. Cwheel and axle
    4. DLever
    5. Eteeth
    6. Fopposite
  4. 4Complete the sentences.

    Gearsticks in cars are examples of [blank_start]lever and a fulcrum[blank_end]
    A car’s brakes uses [blank_start]pulleys[blank_end] to work.
    The [blank_start]steering wheel[blank_end] in a car is made up of a wheel and an axle.
    [blank_start]Screws[blank_end] are used to hold things together.
    1. Alever and a fulcrum
    2. Bsteering wheel
    3. Clever fulcrum
    4. Dsteering wheel
    5. Emotor
    6. Fscrews
    7. Gpulleys
    8. Hscrews
    9. Ipulleys
    10. Jscrews
    11. Kengine
    12. Lmotor
    13. Mscrews
    14. Nmotor
    15. Oengine
    16. Ppulleys
    17. Qlever and a fulcrum
    18. Rsteering wheel
    19. Smotor
    20. Tengine
    21. Usteering wheel
    22. Vpulleys
    23. Wengine
    24. Xlever and a fulcrum
  5. 5Read the definitions and write the words.

    When we push down one end of this machine, the opposite end lifts up: [blank_start]lever and fulcrum[blank_end].
    This machine helps us lift objects which are attached to it: [blank_start]pulley[blank_end]
    This is the part of a machine which produces movement and needs energy to work: [blank_start]engine or motor[blank_end].
    These are wheels with teeth that fit together and turn at the same time but in opposite directions: [blank_start]gears[blank_end]
    1. Alever and fulcrum
    2. Bpulley
    3. Cengine or motor
    4. Dgears

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TEST DE LA UNIDAD 9 NATURAL SCIENCE
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