Class 4 GK Worksheet: Inventions and Inventors
Remember (Who and what for?): Telephone – Alexander Graham Bell, first aeroplane – the Wright brothers, printing press – Johannes Gutenberg, raised-dot writing – Louis Braille. Smallpox vaccine – Edward Jenner, penicillin – Alexander Fleming, stethoscope – René Laennec, electric battery – Alessandro Volta, X-rays – Wilhelm Röntgen. Uses: telephone – talk far away, thermometer – body temperature, compass – directions, telescope – faraway stars, microscope – tiny germs.
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- 1.💡 Who gave us the first aeroplane? (a) Johannes Gutenberg (b) the Wright brothers (c) René Laennec (d) Alexander Fleming
- 2.True or false: a compass helps us print many books. (a) True (b) False
- 3.True or false: a stethoscope helps us see tiny germs. (a) False (b) True
- 4.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
- 5.What does a telephone help us do? (a) talk to people far away (b) do sums quickly (c) measure body temperature (d) see tiny germs
- 6.💡 Who gave us the printing press? (a) Alessandro Volta (b) René Laennec (c) Johannes Gutenberg (d) Louis Braille
- 7.💡 Who gave us the smallpox vaccine? (a) Johannes Gutenberg (b) Edward Jenner (c) Wilhelm Röntgen (d) Alessandro Volta
- 8.What did Edward Jenner give us? (a) the electric battery (b) penicillin (c) the smallpox vaccine (d) the stethoscope
- 9.What does a clock help us do? (a) print many books (b) talk to people far away (c) tell the time (d) hear the heartbeat
- 10.💡 Who gave us the electric battery? (a) Alessandro Volta (b) Johannes Gutenberg (c) Wilhelm Röntgen (d) Alexander Fleming
- 11.What did Alexander Graham Bell give us? (a) the telephone (b) the stethoscope (c) the electric battery (d) the smallpox vaccine
- 12.True or false: a telephone helps us talk to people far away. (a) False (b) True
- 13.True or false: a printing press helps us do sums quickly. (a) False (b) True
- 14.What did René Laennec give us? (a) the telephone (b) the stethoscope (c) the electric battery (d) the first aeroplane
- 15.What did Louis Braille give us? (a) the printing press (b) the stethoscope (c) the telephone (d) raised-dot writing
- 16.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) Louis Braille (c) Wilhelm Röntgen (d) René Laennec
- 17.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
- 18.True or false: a microscope helps us measure body temperature. (a) False (b) True
- 19.💡 Who gave us X-rays? (a) Wilhelm Röntgen (b) Alexander Graham Bell (c) Alexander Fleming (d) Johannes Gutenberg
- 20.What does a stethoscope help us do? (a) measure body temperature (b) find directions (c) see tiny germs (d) hear the heartbeat
- 21.What did Alexander Fleming give us? (a) penicillin (b) the telephone (c) the printing press (d) the first aeroplane
- 22.True or false: Wilhelm Röntgen gave us X-rays. (a) False (b) True
- 23.True or false: the Wright brothers gave us the first aeroplane. (a) False (b) True
- 24.True or false: Alessandro Volta gave us the first aeroplane. (a) True (b) False
- 25.What did the Wright brothers give us? (a) the stethoscope (b) penicillin (c) raised-dot writing (d) the first aeroplane
- 26.🔧 Which invention helps us measure body temperature? (a) stethoscope (b) thermometer (c) microscope (d) telephone
- 27.True or false: a compass helps us find directions. (a) False (b) True
- 28.🔧 Which invention helps us talk to people far away? (a) stethoscope (b) printing press (c) telephone (d) clock
- 29.True or false: a stethoscope helps us see faraway stars. (a) False (b) True
- 30.💡 Who gave us the stethoscope? (a) Alexander Graham Bell (b) Alexander Fleming (c) René Laennec (d) Louis Braille
- 31.🔧 Which invention helps us see faraway stars? (a) thermometer (b) telescope (c) calculator (d) printing press
- 32.True or false: a telescope helps us do sums quickly. (a) False (b) True
- 33.What does a compass help us do? (a) find directions (b) do sums quickly (c) hear the heartbeat (d) see tiny germs
- 34.True or false: the Wright brothers gave us X-rays. (a) True (b) False
- 35.💡 Who gave us penicillin? (a) Alessandro Volta (b) Alexander Fleming (c) the Wright brothers (d) Louis Braille
- 36.True or false: Johannes Gutenberg gave us the printing press. (a) False (b) True
- 37.True or false: Wilhelm Röntgen gave us the telephone. (a) False (b) True
- 38.True or false: a clock helps us measure body temperature. (a) True (b) False
- 39.True or false: a printing press helps us find directions. (a) True (b) False
- 40.True or false: a calculator helps us find directions. (a) True (b) False
Answer key
- the Wright brothers
- False
- False
- True
- talk to people far away
- Johannes Gutenberg
- Edward Jenner
- the smallpox vaccine
- tell the time
- Alessandro Volta
- the telephone
- True
- False
- the stethoscope
- raised-dot writing
- Alexander Graham Bell
- True
- False
- Wilhelm Röntgen
- hear the heartbeat
- penicillin
- True
- True
- False
- the first aeroplane
- thermometer
- True
- telephone
- False
- René Laennec
- telescope
- False
- find directions
- False
- Alexander Fleming
- True
- False
- False
- False
- False
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