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