Question

Take two bowls one with hot water and second with cold water. Gently
sprinkle food colour on the surface of the water in both bowls Observe
temperature
Memperature mad Kinetic
Activity 3
reading
Why do
Because
while the a
other word
water decre
Can yo
Fromt
gains ener
and oil. TL
kinetic en
energy of
the motion of the small grains of food colour,
• How do they move?
Why do they move randomly?
Why do the grains in hot water move more rapidly than the grains in
cold water?
You will notice that the grains of food colour jiggle (move randomly).
This happens because the molecules of water in both bowls are in random
motion. We observe that the jiggling of the grains of food colour in hot
water is more when compared to the jiggling in cold water,
We know that bodies possess kinetic energy when they are in
motion
As the speed of motion of particles (grain of food colour) in the bowls
of water is different, we can say that they have different kinetic
energies. Thus we conclude that the average kinetic energy of molecules/
particles of a hotter body is greater than that of a colder body. So we can
say that the temperature of a body is an indicator of the average kinetic
energy of molecules of that body,
"The average kinetic energy of the molecules is directly proportional
to the absolute temperature"
Cany
discu
With
follows:
Heat
is a quan
tempera
the ener
Specif
Tal​

Answer 1

Answer:

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