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