Design and Technology

Question 1

Disc Sander Safety

Answer 1

• wear PPE
• Turn on extractor to avoid breathing in toxic dust
• only sand to smooth the edge
• use both hands
• gently move side to side
• ensure area is free of debris
• place timber on left side only

Question 2

Scroll Saw Safety

Answer 2

• it is a power machine
• cuts curves in tin pieces of wood, plastic and metal
• various blade styles
• up and down motion
• teeth on blade point down
• hold down material to avoid bouncing
• use both hands to guide and provide pressure

Question 3

Orthographic Drawings

Answer 3

Top
Front Side

provide measurements
make sure it all lines up

Question 4

Linear Economy

Answer 4

once you’ve used it, it is typically thrown away and it becomes waste
e.g. bottles, coffee cups, textiles
It’s a straight line ———–>
Take, make, use, dispose

Question 5

Circular Economy

Answer 5

Designed to benefit businesses, society, and the environment. All about finding ways to use resources more efficiently by reusing, repairing or recycling.

Question 6

how does textiles contribute to the linear economy?

Answer 6

textile products are made, used, and disposed of. a mere 15% of discarded clothing and textiles are collected for reuse, recycling, or downcycling, while the remainder is sent for landfill and incineration.

Question 7

how can we use the circular economy to reduce textile waste?

Answer 7

Once clothes cannot be used anymore, recycling them into new clothes allows the value of the materials to be captured at different levels.

Question 8

Algorithms

Answer 8

a set of rules and calculations to conduct an action
- many factors
- considers time and engagement
- shows relevant content

Question 9

Advantage of Block Coding?

Answer 9

easy to learn, visual, fast

Question 10

Disadvantage of Block Coding?

Answer 10

Basic, limited capabilities

Question 11

Variable examples

Answer 11

fails

Question 12

Basic

Answer 12

shows leds

Question 13

Input

Answer 13

on button A pressed

Question 14

Loops

Answer 14

repeat 4 times
do

Question 15

Variables

Answer 15

fails , pause, seconds

Question 16

Music

Answer 16

play melody at 120 bpm until

Question 17

Logic

Answer 17

if true then
else

Question 18

How does the microbit work?

Answer 18

The micro:bit has a built-in compass, accelerometer, and light sensor, which mean you can write programs that respond to the device’s orientation or movement, as well as the light level.

Question 19

3 examples of AI

Answer 19

shark/ croc spotting

• driverless cars
• ChatGPT

Question 20

how does ai identify a particular thing in an image

Answer 20

Information from the feature extraction is organised into a database to
be compared against.
Once compared, the image can be given a similarity score to determine
how it meets the classification criteria.

Question 21

Flow Chart

Answer 21

IF WE BEING REAL