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