woodwork Flashcards
name the 6 R’s
reduce
reuse
repair
recycle
rethink
refuse
what is fracking
process of extracting natural gas from shale rock layers deep within the earth
name the 5 forces and stresses:
tension
compression
bending
torsion
shear
name the 4 types of movement
linear - moving one way in a straight line
Reciprocating motion - backwards/forwards in a straight line
Osculating motion - arc motion
Rotary motion - moving in a circle
describe the first, second and third levers
- load ———— pivot ————- effort
eg. see saw - pivot————-load—————-effort
eg. wheelbarrow - load ———-effort ————-pivot
eg. fishing
Facts about Apple
founded in 1976
they wanted to make competing simple
pleasing aesthetics
touch screen technology
what are the ricks of using 3D printers
poeple might try and sell guns or other dangerous objects online
give examples of renewable energy
wave, solar and geothermal
name non finite materials
oxygen and leather
explain the life cycle of a product
extraction
production
distribution
use
recycling
benefits of automation
replace manual jobs therefor save laybour costs
what does CAD stand for
computer aided design
advantages to CAD
designs can be created and edited easily
very accurate
easily copied
disadvantages to CAD
complex to learn
very expensive
issues with software
why is computer aided manufacture becoming for popular
because it decreases labour costs, and it’s a quicker and more efficient way of manufacturing 
name some potential energy forms
Chemical mechanical nuclear and gravitational
name, some kinetic, energy forms
movement heat and sound
Give some examples of storing energy that can be found in most homes
balloon - compression
Battery? - Electrical energy
Elastic band -tension
what are biodegradable polymers made out of
Cornstarch and vegetable starches
Explain what is self-healing polymer
microcapsules get a fracture
Pull him, a reason is released into fracture
Rose and hardens and heels damage
give an example of photochromic particles
Sunglasses
name some car subsystems
steering
braking
navigation
stytems diagram
input ——- process ——— output
lamp
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