Irene Camacho Vera: Unit 3: Materials

ACTIVITIES Nº1.

1.- Which raw material do these materials come from?
a) glass - sand
b) steel- carbon and iron
c) plastic petrol
d) porcelain clay
e) planks wood
f) concrete sand and cement
2. What manufactured goods can we made from the materials of the exercise before.
Glass windows, bottles, glass
Steel lamps, tools, railings
Plastic bottles, toys
Porcelain teapots, vase
Planks floor, cabin
Concrete roads, building structures
3. Complete the sensences:

" Elastic materials can be stretched. They return to their original shape and size alfter stretching"
"Ductil materials can also be stretched, but they remain permanently streched after stretching".

4.- Write a list of FIVE manufactured goods made with elastic materials.
Gum

5. Order from greater to lesser hardness the following materials:

plasticine, plaster, ceramics, diamond, tilc

diamond, plaster, ceramics ,plasticine, talc

6. Name three objects made with permeable materials and another three made with waterproof materials.
Sponge, Clothes

Umbrella boots. lycra

7. Classify the following textile materials into natural or syntetic:

polyester, cotton, polyamide, wool, jute, naylon, silk, linen, viscose, lycra. rayon.
Natural:cotton, wool, silk, linen
Synetic: polyester, polyamide, jute, naylon, viscose, lycra, rayon

8. What are the most important properties of these materials:

a) ceramic: tought

b) concrete: strenght

c) fiberglass: stiffnes and streght

d) graphite: hardness and conductor

e) steel: strenght and malleable.

9.- What are these made of:

a)aluminium: bauxita

b)ceramic clay

c)fiberglass sodium carbonate, silica and lime

d)grafithe silica and carbon

e)titanium titanium mineral

f) nylon petrol

g) polycarbonte petrol

h) rubber latex

i) steel carbon and iron

j)polystyrene hydrocarbon and petroleum

10.- Find out a material with the properties of:

a)soft+light tin
b)ductil+good conductor copper
c)hard+tough+non rust+alloy stainless steel

11.- Give an example of a suitable material tha may be used to make:

a) garden tools:
b) most work-shop tools
c) tough kitchen sink units
d) wire electrical cables
e) to protect doctors and dentists from harmful radiation when using X-rays
f) Panels of Land-Rovers.
g) Ornaments.
h) jewllery.
i) car gears.

ACTIVITIES Nº2
1. Look for an image of each sort of manufactured process.

ACTIVITIES Nº3.
1. Complete the table:

Name and melting point	Composition	Properties and characteristics	Principal uses
Aluminium660,32 C	Pure aluminium (an element)		Kitchen equipment, window frames, general cast components
Duralumin 650°C	Aluminium with 4% copper, 1% manganese and some magnesium
Copper 1080°C	Pure copper (an element)
Zinc419,53 C	Pure zinc (an element)	Weak metal, extremely resistant to corrosion, low melting point
Brass 900-1000°C	Alloy of copper and zinc	Resistant to corrosion, fairly hard, good conductor of heat and electricity
Bronze ****°C	primarily of copper, usually with tin
Steel1534,85 C

ACTIVITIES Nº4.
1. Make a timeline about a TOOL over the history.

ACTIVITIES Nº5.
1. Complete the table of the Density of these materials:

ALUMINIUM: mass=200g; volume=74cm3; density: ____
COPPER: mass=475g; volume=_______; density= 8.9 g/cm3
ZINC: mass=_______; volume=49cm3; density= 7.1 g/cm3
LEAD: mass= 475g; volume=42cm3; density=_____
WOOD: mass= 15g ; volumen=_______ ;density= 0.75 g/cm3
MARBLE: mass=125g ; volumen=_______ ;density= 2.6 g/cm3

ACTIVITIES Nº6.
1.- Make a mind-map on a card about A TECHNICAL MATERIALS and its: properties, uses, object, types, tools, etc.

ACTIVITIES Nº7.
1.- Find out and draw three types of MATERIALS JOINTS.

ACTIVITIES Nº8.
1.- Make a presentation of the comparition of two types of metals. Similar to this:

ACTIVITIES Nº9.

1.- Make a REPORT of a tool similar to this:

ACTIVITIES Nº10.

1.- Game: make out little cards with a name of a type of material on one and on the other one with its properties.

1.- Listening: link ELLLO "SnowShoes"