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