Inventions and Discoveries
Science
Inventions and Discoveries starts at 4 and continues till grade 5.
QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Inventions and Discoveries.
How you perform is determined by your score and the time you take.
When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.
See sample questions for grade 4
Which invention allows people to travel to the moon?
Who discovered gravity when he saw an apple fall from a tree?
Who discovered that bacteria can cause diseases?
Who discovered that the Earth revolves around the Sun?
Who discovered the law of buoyancy, which explains why things float?
Who invented the first electric bulb?
Who invented the first working airplane?
Who invented the first working steam engine?
The process of making paper was first discovered in ________. (1) China (2) India (3) Egypt (4) Greece
Which invention helps us to keep food cold and fresh for a longer time? (1) Oven (2) Refrigerator (3) Toaster (4) Blender
Which invention helps us to see very small things, like germs? (1) Telescope (2) Microscope (3) Calculator (4) Compass
Which invention is used to calculate numbers quickly? (1) Abacus (2) Thermometer (3) Telescope (4) Compass
The discovery of ________ allows us to use wireless communication like mobile phones.
The discovery of ________ helped people to communicate over long distances using wires.
The discovery of ________ made it possible to send messages instantly across the world.
The discovery of ________ made it possible to use electricity in homes and factories.
Is it true that the airplane was invented by the Wright brothers?
True or False: Marie Curie discovered the element radium.
True or False: The compass was invented to help people find directions.
True or False: The discovery of fire was an important step in human history.
