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