1. Which of the following occurrence can be explain
by convection?
A. How a fire place can he...
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Biology, 23.04.2021 09:40 winchester729
1. Which of the following occurrence can be explain
by convection?
A. How a fire place can heat up people in a room
B. How the heat of the sun reaches earth
C. Why a handle of a metal spoon also gets hot when
placed on a steamy soup
D. Why chilly air always remains near the floor
2. Which of the following is NOT true about heat?
A. It is a form of energy
B. It transfers from one object to another.
C. It is caused by a temperature difference between
two objects
D. It determines the hotness or coldness of an object
3. Which of the following describes heat?
A. Energy stored in all objects regardless of
temperature
B. Energy that causes objects to have temperature.
C. Energy transferred due to difference in materials
D. Energy transferred due to temperature differences
4. An unknown object is placed in contact with a heat
source. It was observed that the object did not increase
its temperature Which of the following explains why?
A. The object is heated too much.
B. The object is heated via radiation.
C. The object is a thermal insulator,
D. The object is a thermal conductor.​
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