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In an experiment, bean seeds were soaked and then placed in a vacuum flask coated with cotton wool. A thermometer was then inserted into the...

In an experiment,bean seeds were soaked and then placed in a vacuum flask coated with cotton wool. The thermometer was then inserted into the flask.
a)Explain the expected result
b)Account for the result in (a) above.
c) Explain how a control experiment can be set up
d)Why was vacuum flask used.

Answers

Bonface
a) Increase in temperature in the thermometer.

b) Germinating seeds respires and release energy in form of heat which increases thermometer reading.

c) Arranging the set up the same but using boiled bean seeds instead of soaked been seeds.

d) To prevent heat loss to the surrounding.
Biokenya answered the question on December 5, 2017 at 19:53

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