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