14.-relaciona l´objecte amb les propietats del metall que elfan apropiat per a aquesta aplicació.

cap de martell:
filament de bombeta:
imant:
biga d´acer:
llauna de refresc:

18.-indica amb quin material metal.lic construiries els objectes seguents i el perque
a la pota de una cadira d´una nau espacial.magnesi
b un implant de fèmur.titani
c l´ala d´un avió.alumini
d el cable d´un ascensor.acer
e el recipient que conté coure fos.alumini

English optative-grammar:

Lesson 3

Exercise A

Works                         finishes

Studies                        goes

Watches                     speaks

Exercise  b

He lives in mexico                                                 he doesn´t eat meat

He doesn´t in Mexico                                           he eats salads

We live in Ireland                                                 he watches TV in the evening

We don´t live in Spain                                          he doesn´t watch TV in the morning

Exercise c

Does            does

Do               do

Do              do

Exercise  d

Do you live in london ?                                                          does he like dogs?

Does tommy play golf?                                                          Do you like films

Do you  speak any foreign languages?                               Does he drinks coffe?

Do you watch tv?

Does tommy listeng to the radio?

Lesson 4

Exercices :

A

He Likes coffe

He doesn´t like films

He loves his job

He hate fish

He love his holidays

He doesn´t golf

1 feel

2  not understand

3 prefer

4 think

5 hate

6 dislike

7 don´t know

C

1 they often eat italian food

2 they sometimes watch tv

3 they always get up early

4 they never feel unhappy 

5 they hardly ever travel abroad

6 they usually go for a walk on sunday

7 they rarely take taxis

D

They never go to school

He don´t play tennis very well

She smokes a lot

He do work very hard

We not eat meat

My parents usually arrive late

Lesson 5

A

1-studing

2-workin

3-talking

4-sleeping

5-flying

6-running

7-driving

B

1-They are sitting/Aren’t work

2-Is takes/Isn’t play

3-Is writes/Isn’t run

4-Are spend/aren’t walk

5-Are travel/aren’t walk

C

1-Is she having lunch?

2-Are they playing football?

3-Is it rainning again?

4-Is sleeping the cat?

5-Are we winning the match ?

6-Is he drinking coffee now?

D

1-Are you learn Maths today?Yes,I study very hard

2-Are they listen to the radio?No,they play CDs

3-Is Peter wash now?Yes,he have a bath

4-Are they live in Salamanca at the moment?Yes,they visit their family

5-Is David sing in a group this year?No,he work in the restaurant

Lesson 6

A

0 what are you doing?

1I am finishing my homework

2 how does your sister travel to work every day?

3 she takes the bus?

4 what do you eating?

5 an apple. It ´s delicious! i loving apples.

6 look! It snowing

7 it snows every year in my country

8 what does Joanna do?

9 I think she´s an actress, but she working in a restaurant this month.

B

Get up

Have

Leave

Finish

Arrive

Working

Working

´m play

Go

Like

C

I go sleep at 23.00 every days

What do you do? i´m a teacher

It´s raining again..it always raing in november

What are you thinking?

Harly ever don´t forget the umbrella

I have three classes of chemistre three  times at week

What is jonh doing?that clean the car

English optative-grammar:

Lesson 3

Exercise A

Works                         finishes

Studies                        goes

Watches                     speaks

Exercise  b

He lives in mexico                                                 he doesn´t eat meat

He doesn´t in Mexico                                           he eats salads

We live in Ireland                                                 he watches TV in the evening

We don´t live in Spain                                          he doesn´t watch TV in the morning

Exercise c

Does            does

Do               do

Do              do

Exercise  d

Do you live in london ?                                                          does he like dogs?

Does tommy play golf?                                                          Do you like films

Do you  speak any foreign languages?                               Does he drinks coffe?

Do you watch tv?

Does tommy listeng to the radio?

Lesson 4

Exercices :

A

He Likes coffe

He doesn´t like films

He loves his job

He hate fish

He love his holidays

He doesn´t golf

1 feel

2  not understand

3 prefer

4 think

5 hate

6 dislike

7 don´t know

C

1 they often eat italian food

2 they sometimes watch tv

3 they always get up early

4 they never feel unhappy 

5 they hardly ever travel abroad

6 they usually go for a walk on sunday

7 they rarely take taxis

D

They never go to school

He don´t play tennis very well

She smokes a lot

He do work very hard

We not eat meat

My parents usually arrive late

Lesson 5

A

1-studing

2-workin

3-talking

4-sleeping

5-flying

6-running

7-driving

B

1-They are sitting/Aren’t work

2-Is takes/Isn’t play

3-Is writes/Isn’t run

4-Are spend/aren’t walk

5-Are travel/aren’t walk

C

1-Is she having lunch?

2-Are they playing football?

3-Is it rainning again?

4-Is sleeping the cat?

5-Are we winning the match ?

6-Is he drinking coffee now?

D

1-Are you learn Maths today?Yes,I study very hard

2-Are they listen to the radio?No,they play CDs

3-Is Peter wash now?Yes,he have a bath

4-Are they live in Salamanca at the moment?Yes,they visit their family

5-Is David sing in a group this year?No,he work in the restaurant

Lesson 6

A

0 what are you doing?

1I am finishing my homework

2 how does your sister travel to work every day?

3 she takes the bus?

4 what do you eating?

5 an apple. It ´s delicious! i loving apples.

6 look! It snowing

7 it snows every year in my country

8 what does Joanna do?

9 I think she´s an actress, but she working in a restaurant this month.

B

Get up

Have

Leave

Finish

Arrive

Working

Working

´m play

Going

Like

C

I go sleep at 23.00 old the days

What are you doing? i´m teacher

It´s raining an other..always raining in november

I´m thinking?

Harly ever don´t remember the umbrella

I have clases of quimica trhee time at week

What are jonh doing?that clean the car

English optative-grammar:

Lesson 3

Exercise A

Works                         finishes

Studies                        goes

Watches                     speaks

Exercise  b

He lives in mexico                                                 he doesn´t eat meat

He doesn´t in Mexico                                           he eats salads

We live in Ireland                                                 he watches TV in the evening

We don´t live in Spain                                          he doesn´t watch TV in the morning

Exercise c

Does            does

Do               do

Do              do

Exercise  d

Do you live in london ?                                                          does he like dogs?

Does tommy play golf?                                                          Do you like films

Do you  speak any foreign languages?                               Does he drinks coffe?

Do you watch tv?

Does tommy listeng to the radio?

Lesson 4

Exercices :

A

He Likes coffe

He doesn´t like films

He loves his job

He hate fish

He love his holidays

He doesn´t golf

1 feel

2  not understand

3 prefer

4 think

5 hate

6 dislike

7 don´t know

C

1 they often eat italian food

2 they sometimes watch tv

3 they always get up early

4 they never feel unhappy 

5 they hardly ever travel abroad

6 they usually go for a walk on sunday

7 they rarely take taxis

D

They never go to school

He don´t play tennis very well

She smokes a lot

He do work very hard

We not eat meat

My parents usually arrive late

Lesson 6

A

0 what are you doing?

1I finishing my homework

2 how are you sister traveling to work every day?

3 she taking the bus?

4 what do you eating?

5 an apple. It ´s delicious! i loving apples.

6 look! It snowing

7 it snowing every year in my country

8 what joanna doing?

9 i thinking she´s an actress, but she working in a restaurant this month.

B

Get up

Having

Leaving

Finish

Arriving

Working

Working

´m play

Going

Like

C

I go sleep at 23.00 old the days

What are you doing? i´m teacher

It´s raining an other..always raining in november

I´m thinking?

Harly ever don´t remember the umbrella

I have clases of quimica trhee time at week

What are jonh doing?that clean the car

hp

o

dibuixa un planòl:
es el planòl del col.legi

dibuixa un planòl:
es el planòl del col.legi

4.per què son tan importants els aliatges fèrrics? per que permeteixen milloarar les condicions

5.quina diferencia hi ha entre els acers i les fosses? els acers tenen més calitat que les fosses

6.com afecta el contingut de carboni els aliatges ferrics? les fosses son menys ductils que els acers

7.observa les caracteristiques que s´hi donen i esbrina a quin metall pur fan referència.
a) lleuger però poc resistent, usat en pirotècnica magnesi
b) de color vermell,s´utilitza molt en instal.lacions de calefacció i elèctriques.titani
c) molt resisten a la corsió , s´utilitza en aeronàutica.alumini 
d) no s´oxida i s´utilitza en pintures metal.litzades.zinc
e) tou,barat utilitzat en envasos de begudes.llautó