Unit 16. Inventions

1.Telephone
Alexander Graham Bell
1876
2.Loudspeaker
C.W.Rice
1924
3.Helicopter
Igor-Sikorsky
1939
4.Color television
Peter Carl Goldmark
1950
5.Laser
Gordon Gould
1958
P96.Unit 16: Inventions
Lesson 1.
Getting started-Listen and read
Match these stages in the development of paper with the correct pictures
Match these stages in the development of paper with the correct pictures
Match these stages in the development of paper with the correct pictures
Listen and read
Prediction
1.Who will show the teacher and the students around the factory?
2. What will they learn from their visit?
The correct answers:
1.Mr Roberts will show them around the factory.
2.They will learn: How to make chocolates

Match the half sentences.Then write the full sentences in your exercise book
E.before being cooked
C.the cacao beans smell like chocolate
D.Tim and Sam were going to touch the button.
F.one of the ingredients in chocolate
B.To leave some chocolate for others
A.after visitors have toured the factory
Chocolate manufacturing process.
1.The beans are washed…
2.The shells…
3.The beans…
4.The cocoa butter…
5.The mixture…
Chocolate manufacturing process.
1.The beans are washed
2.The shells
3.The beans
4.The cocoa butter

5.The mixture
,weighed,and cooked
are removed
are crushed and liquified
is added along with sugar ,vanilla and milk
is ground , rolled and poured into the molds
Using:
-First:
-Then:
-Next:
-After that:

-Finally:
The beans are washed ,weighed and cooked
The shells are removed
The beans are crushed and liquified
Cocoa butter is added,along with sugar,vanilla and milk
The mixture is ground,rolled and poured into molds.
Choose the correct answer.
wood pulp
1.A chinese official made paper from...................in the year 105.



wool pulp

pulp wood

B
C
A
Choose the correct answer.
what to make
2.Many people knew............................paper in the seventh century



how to make

what to do

B
C
A
Choose the correct answer.
wash,weigh and cook here.
3.The beans are ............................



washed, weighed and cooked here

washed ,weigh and cook here.

B
C
A
Exercise1.P96
Active or passive? Write A in the brackets if the sentence is in the active voice and P if the sentence is in the passive.
a.My sister was given mark 10 for her mid-term history test.(_______)
b.He won the first prize in the English speaking contest last month.(_______)
c.The man was beaten black and blue.(________)
d.She fell off her bike and hurt her leg terribly.(_________)
e.The burglar was cought red-handed.(_________)
f.The best student of each class received a gift from the principal.(________)
g.My father had a terrible toothache when he was a boy.(________)

Exercise1.P96
Active or passive? Write A in the brackets if the sentence is in the active voice and P if the sentence is in the passive.
The correct answers
a.My sister was given mark 10 for her mid-term history test.(_______)
b.He won the first prize in the English speaking contest last month.(_______)
c.The man was beaten black and blue.(________)
d.She fell off her bike and hurt her leg terribly.(_________)
e.The burglar was cought red-handed.(_________)
f.The best student of each class received a gift from the principal.(________)
g.My father had a terrible toothache when he was a boy.(________)

P
A
P
A
P
A
A
Homework.
-Study Getting started-Listen and read carefully
-Prepare for Speak.P149.
-Do exercise:1.page 96 in your workbook