Question

Q.1. Define the following:-

aEnergy bMatter
cBoiling Point
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Answer 1

Answer:

a)In physics, energy is the quantitative property that must be transferred to an object in order to perform work on, or to heat, the object. Energy is a conserved quantity; the law of conservation of energy states that energy can be converted in form, but not created or destroyed

b)Matter, material substance that constitutes the observable universe and, together with energy, forms the basis of all objective phenomena.

c)the temperature at which a liquid starts to boil.

Answer 2

Answer:

the power that comes from coal, electricity, gas, etc. that is used for producing heat, driving machines, etc.

a subject or situation that you must think about and give your attention to

the temperature at which a liquid starts to boil