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