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