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