Kerala 8th std Science Chapter 1 Measurement and Units Short Question and Answers

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Below is a comprehensive set of short-answer type questions, including application-level questions, based on the "Measurement and Units" chapter. Each question is designed to test understanding, recall, and application of concepts, with detailed answers for clarity. These questions cover key concepts, unit conversions, and practical applications from the chapter, ensuring thorough preparation for examinations.

Some are:

• Name two situations from daily life where physical quantities are measured.
  

Answer: Measuring the depth of a pit (length) and weighing vegetables (mass).

• What is the difference between fundamental and derived quantities?
  

Answer: Fundamental quantities (e.g., length, mass, time) exist independently and cannot be expressed in terms of other quantities. Derived quantities (e.g., area, volume, density) are calculated
using fundamental quantities.

• List the seven fundamental quantities in the SI system.
  

Answer: Length, mass, time, electric current, temperature, amount of substance, and luminous  intensity.

• What is the SI unit of length, and what is its symbol?
  

Answer: The SI unit of length is the metre, and its symbol is m. 

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