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