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Aakash noticed that the metal latch on the gate was difficult to open during hot sunny days. However, this same latch was not difficult to open at night. Aakash observed that the latch and the gate are exposed to the sun during the day.
a) Formulate a hypothesis based on the information provided.
b) Briefly state how you would test the hypothesis stated in (a).
a) Formulate a hypothesis based on the information provided.
b) Briefly state how you would test the hypothesis stated in (a).
a. Solids (Iron) . This causes the volume to increase during heating or expansion; the mass of matter does not change.
b. During heating, the of the iron latch change. The distance between the iron particles increases when they gain enough heat in an iron latch. So during hot days, the latch on the gate was difficult to open. At night, because of cooling, the decreases. So at night, it was not difficult to open the latch on the gate.
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