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
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____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