A designer has created a road safety system for children. It alerts other road users of their presence through a visual stimulus. What is the output in this system?

• ⬨ Beeping sound

• ⬨ Flashing lights

• ⬨ Vibrating alert

• ⬨ Waterproof audio device

What class of levers is scissors?

• 1st Class

• 2nd Class

• 3rd Class

Which one of the following best describes a materials ability to be shaped or

flattened into a thin sheet without cracking, tearing or snapping?

• ⬨ Brittleness

• ⬨ Hardness

• ⬨ Malleability

• ⬨ Toughness

Which one of the following is the stimulus needed for thermochromic pigment

to change colour?

• ⬨ Electricity

• ⬨ Heat

• ⬨ Pressure

• ⬨ Ultraviolet light

Which one of the following statements is true?

• ⬨ Balsa is from a softwood tree

• ⬨ Corrugated card is used as protective packaging

• ⬨ Silk is a synthetic fibre

• ⬨ Zinc is an alloy

Which one of the following fibres can be made into an entirely natural textile?

• ⬨ Elastane

• ⬨ Polyamide

• ⬨ Polyester

• ⬨ Wool

Which one of the following statements is false?

• ⬨ A buzzer is an output component

• ⬨ A light emitting diode is an input component

• ⬨ A microcontroller is a process component

• ⬨ A speaker emits sound

Which sentence best describes a technical textile?

• ⬨ A fabric that allows water to pass through it easily

• ⬨ A very tough and heavyweight fabric

• ⬨ Fibres are spun, blended and/or layered to make enhanced fabrics

• ⬨ A very quick drying fabric

What is duplex board commonly used for?

• ⬨ Packaging boxes

• ⬨ High-quality watercolour paintings

• ⬨ Takeaway container lids

• ⬨ Tracing a design

Which one of the following is an alloy?

• ⬨ Aluminium

• ⬨ Brass

• ⬨ Copper

• ⬨ Zinc