Metals
True or False:
Gold is a metal
True
True or false:
Nylon is man-made
Flour and water mixed together form a paste which becomes
glue
fired vs sundried brick
p. 91 textbook
loyal
alloy
Give two ways to stop iron/steel from rusting.
- coat it in plastic
- paint it
- coat it with another metal that does not rust
- coat it with grease/oil
Give two uses for Plaster of Paris
- board for celings
- cast of a patient's gum
- to create a cast
- polyfilla for cracks in walls
- for artwork
Give two ways to combine materials
- mixing and setting
- mixing a solid and liquid into a paste
- mixing and cooking
- mixing and cooling
- mixing, drying and firing
recycle logo
p. 82 in textbook
rimacec
ceramic
What is the definition for an alloy?
two or more metals mixed together or a metal mixed with a non-metal.
How are ceramics made?
it is made from clay which has been fired (baked) in a kiln.
The name of the Xhosa structure with the thatched roof.
Rondavel
flow diagram for cement
p. 92 textbook
cidtuel
ductile
List 4 items that you use on a daily basis that is made from metal.
- pot/pan
- fork/spoon
- door handle
*any suitable response - muct be a daily thing therefore cannot be things like tools - pupils don't use daily.
What is added to paint to make the colour?
Pigments
When making a clay pot; how would you know when it is ready to be removed from the heat?
It will glow red
Draw the process of plaiting. (4 steps)
Textbook p. 107
ropertipes
properties
Give three types of jobs that require you to use metal.
- Jeweler
- Mechanic
- Gardener
*any suitable job
Give three of the processed materials that we looked at this term.
- Plaster of Paris
- Concrete
- Fabrics
- Ceramics/Glass
- Plastics
- Paint
What are the steps in the flow diagram for creating bricks?
Textbook p.93
a pylon
Textbook p. 80 - must be as accurate as possible (3D and correct shape/structure)
thingerntengs
strengthening