How Things Work- RC&G p. 52-53

What happens at the start of the washing machine cycle?

• The water is heated by the machine's heater

• The drum is stabilized by by weights.

• water pours in through an electrically controlled valve.

• Hot air is drawn through the unit by a blower fan.

How does the detergent get into the drum?

• Water runs through the detergent compartment into the drum.

• The machine's heater system delivers the detergent.

• There is no need of a detergent as germs are killed by the heat.

• You have to wash the clothes with the detergent before you put them in the machine.

Why are there suspension springs inside the machine?

• The springs help the machine filter all the dirt and grime in the clothes.

• The springs help shake the clothes for drying.

• The load is very heavy so the drum is stabilized by weights and suspended by heavy-duty springs.

• To ensure that the washing machine does not stop working.

regulatory

• works without electricity

• disorganized

• happens once in a week

• control or direction of an activity

rotating

• move in a circle round an axis or centre

• move with a high speed

• moves back and forth

• moves slowly

stabilized

• keep moving slowly

• help to keep balanced

• unbalanced

• help to move with speed

reverse

• rotate

• in the opposite direction

• going straight

• move in a circle

filter

• removing impurities or solid particles

• mixing in water

• mixing water and detergent

• water without detergent

pre-set

• after the setting

• a collection of tea cups

• made up of more than one object

• to set in advance

What would happen to wet washing if it stayed clumped together?

• it will be easier to iron

• it will smell better

• it can leave damp patches

• they dry quicker