Slides 2-5 LETS RECAP : Copy down memory note and table on the left . - - PowerPoint PPT Presentation
Slides 2-5 LETS RECAP : Copy down memory note and table on the left . - - PowerPoint PPT Presentation
Week 8 : 8-12 June Slides 2-5 LETS RECAP : Copy down memory note and table on the left . Raw materials have not gone through a process . They are made into other things and may look, smell, feel or taste different and be used for a totally
LET’S RECAP: Copy down memory note and table on the left. Raw materials have not gone through a process. They are made into other things and may look, smell, feel or taste different and be used for a totally different purpose than before. Processed materials have been refined or built by humans from raw materials. e.g. paper, steel and glass.
MATERIAL RAW MATERIAL OR PROCESSED MATERIAL
vegetable bread sausage metal furniture wheat animal skin toothpaste metal from a mine leather shoes wood
C O P Y
Processed material New properties Uses Plaster of Paris water and fire resistant Dentist makes casts, bandage for arm/leg, works of art, filler for cracks in walls concrete hard, durable, fire-resistant buildings, roads, bridges, thick underground pipes fabrics Cotton keeps people cool in warm weather, fabrics can be waterproof e.g. raincoat, heat-resistant for firefighters, strong for curtains and tablecloths, warm like wool to trap heat in winter, absorbent to soak up water clothing, stockings, shoes, umbrella, tents, cloths, curtains ceramics Hard, durable, waterproof, fire-resistant pottery, plates, bowls, vases, basins, tiles plastics Light, strong, durable, waterproof pipes, dishes, containers, furniture paint Hardens when dry to protect or colour an area walls, floors, surfaces, objects You may copy this table out, print it out
- r just use it as a
reference to help you.
Will be needed in week 9 for revision work
Process of brick making Answers a) leveling the mixture into a mould 1. b) wet mixture of bricks is compressed dried and fired in a kiln between 600-900˚C 2. c) wet bricks are left to dry 3. d) wet brick removed from mould 4. e) packing the mud mixture into mould 5. f) pouring water to mix with straw and mud 6. 3 1 2 4 5 6 Watch the You tube link.
youtube.com/watch?v=0oBwpFS4Euk&feature=youtu.be
Write down only the no. and letter from the table.
How to weave a basket with palm leaves https://www.youtube.com/watch?v=SN0A3Beo7z0 Traditional basket weaving https://www.youtube.com/watch?v=eFayNRoFb9E ❑ Weaving is a process of using strips of grass or plant fibre crossed over and under each other. ❑ Traditional hats, baskets, mats and roofs
- f rondavels can be woven.
❑ Weaving helps to strengthen materials and make them durable. ❑ Stitching uses thread to sew materials together. ❑ Plaiting is another form of strengthening fibres where 3 strands are twisted over and under each other to form one thicker strand. ❑ Coiling is when material is rolled into a spiral shape.