Quiz
TECHNOLOGY UNIT 9 TEST
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Questions in this quiz (5)
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.- Amobile phones
- Bvacuum cleaners
- Cdish washers
- Dthermal
- Emechanical
- Finformation-processing
- Gcold
- Hclean
- Ieasier
- Jwashing machines
- Khair dryers
- Lcalculators
2Classify

- Adiesel
- Bplugs
- Celectricity
- Dold mills
- Ebikes
- Fbatteries
- GDVDs
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.
- Awheel
- BScrew
- Cwheel and axle
- DLever
- Eteeth
- Fopposite
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.- Alever and a fulcrum
- Bsteering wheel
- Clever fulcrum
- Dsteering wheel
- Emotor
- Fscrews
- Gpulleys
- Hscrews
- Ipulleys
- Jscrews
- Kengine
- Lmotor
- Mscrews
- Nmotor
- Oengine
- Ppulleys
- Qlever and a fulcrum
- Rsteering wheel
- Smotor
- Tengine
- Usteering wheel
- Vpulleys
- Wengine
- Xlever and a fulcrum
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]- Alever and fulcrum
- Bpulley
- Cengine or motor
- Dgears
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- Description
- TEST DE LA UNIDAD 9 NATURAL SCIENCE
- Language
- Español
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