Science And Technology

Science and technology Names: Grade: Date:

1.- Look carefully the power point presentation and then find the correct order of these sentences •

____ Wilhelm Conrad Röntgen - X-rays.

•

____Johannes Gutenberg - Letterpress printing

•

____Karlheinz Brandenburg - the MP3 technology.

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____Rudolf Hell - the Scanner.

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____Konrad Zuse - Computer.

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____Karl Friedrich von Drais - the Bicycle.

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____Manfred von Ardenne - the Television.

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____Albert Einstein - Theory of relativity.

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____Heinrich Focke - the Helicopter

2.- Create the passive voice for each sentences A- the x – rays were invented by Wilhelm Conrad Röntgen BCDEFG-

3 - Match the following discoverer with his discover

A- Penicilin

_____ Pitágoras

B- The earth movement

_____ Chinese people

C- America

_____ Primitive humans

D- Aspirin

_____ Alexander Fleming

E- The earth is spherical

_____Galileo Galilei

F- Paper

_____Cristóbal Colon

G- Fire

_____Herman Dreser

4 – Now, create the passive voice for the previous activity with the verb ” DISCOVER” ABCDEFG-

5-Tell me what happen with these people? Use the passive voice in past Use These verbs: take – lick – bite – scratch – push –murder -

A

The man was stung by an insect

B

_______________________________________

C

_______________________________________

D

_____________________________________

E

______________________________________

F

___________________________________________

G

____________________________________________

A. Match the word with their corresponding meaning A- Mobile phone B- Mouse C- Headphones D- Digital camera E- Video camera F- MP3 G- Pendrive

1.

______it emulates a small disk drive and allows data to be easily transferred from one machine to another.

2. _______That captures images electronically rather than on film. The image is captured by an array of charge-coupled devices (CCDs), stored in the camera's random access memory or a special diskette, and transferred to a computer for modification, long-term storage, or printing out.

3. _______A

device that controls the movement of the cursor or pointer on a display screen. 4. _______A portable device that connects with the telephone network over radio wave transmission.

5.

_______Derived from the audio sections of the MPEG-1 and MPEG-2 video specifications, this divice compresses CDquality sound by a factor of roughly 10, while retaining most of the original fidelity.

6.

________A portable, hand-held device resembling a movie camera but recording on videocassettes for playback on a television set.

7 ________Are a pair of small loudspeakers, or less commonly a single speaker, with a way of holding them close to a user's ears and a means of connecting them to a signal source such as an audio amplifier, radio or CD player