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