Physical Quantities and Units
Physics ⇒ Mechanics
Physical Quantities and Units starts at 6 and continues till grade 12.
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See sample questions for grade 6
Explain the difference between a base unit and a derived unit in the SI system.
Is 'mass' a scalar or vector quantity?
What instrument is commonly used to measure length?
What is the physical quantity measured in newtons?
A car travels 100 meters in 5 seconds. What is its speed in m/s?
A rectangular box has a length of 2 m, a width of 0.5 m, and a height of 0.4 m. What is its volume in cubic meters (m3)?
A runner completes a 400 meter lap in 80 seconds. Calculate the average speed of the runner in m/s.
A student measures the mass of an object as 2500 grams. Express this mass in kilograms.
Which instrument is used to measure time?
(1) Thermometer
(2) Stopwatch
(3) Barometer
(4) Meter scale
Which of the following is a base quantity in the SI system?
(1) Area
(2) Volume
(3) Mass
(4) Speed
Which of the following is a derived unit?
(1) Meter
(2) Kilogram
(3) Newton
(4) Second
Which of the following is a physical quantity?
(1) Love
(2) Distance
(3) Anger
(4) Sadness
Fill in the blank: 1 centimeter = __________ millimeters.
Fill in the blank: 1 hour = __________ seconds.
Fill in the blank: 1 kilogram = __________ grams.
Fill in the blank: 1 kilometer = __________ meters.
Is 'degree Celsius' an SI unit of temperature? (Yes/No)
Is 'liter' an SI unit? (Yes/No)
Is 'meter per second' a unit of speed? (Yes/No)
Is 'second' a base unit in the SI system? (Yes/No)
