KO p81 Flashcards
What 5 materials in DT are most common?
Paper and board, Textiles, Metals, Timbers, Plastic.
What type of wood is pine, larch and cedar?
Softwood
What wood is Oak, Ash, Mahogany, Balsa and beech?
Hardwood
What are MDF, Plywood, and chipboard?
Manufactured board
What type of plastic can not be reheated?
Thermosetting plastic
What type of plastic can be reheated and remoulded?
Thermoforming Plastic
Softwood is also ……….
Evergreens
What is the crucial melting point fir polymorph?
62 Degrees Celsius
What do thermochromic pigment react to what?
Heat/ temperature
What do thermochromic pigment react to what?
Heat/ temperature
What happens when thermochromic pigments go back to the original temperature?
They go back to there original colour
Tracing paper is used by who?
Architects
What type of paper is good for painting and markers?
Cartridge paper
What type of board is covered one side in aluminium foil
Foil lined board
Corrugated cardboard is used for ……….
pizza boxes
