Question

Take two identical cans with lids, paint one black and the other white. Fill the same
quantity of water in both cans. Make a hole at the centre of each led and cover the
cans with the lids. Insert a thermometer through the hole in each lids. Leave the
cans in the sun for an hour or two and note the temperature of the water in each

(2)
(b)
Write any of the changes that heat causes in substances.​

Answer 1

Answer:

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