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