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15 questions
Choose the letter of the correct answer.
1. What method of heat transfer requires direct contact between objects?
Convection
Radiation
Conduction
Sublimation
2. Which of the following materials will undergo convection?
Liquid and gas
Gas and solid
Solid and liquid
Gas only
3. How does the heat of the Sun reaches the Earth?
Thermal expansion
Conduction
Convection
Radiatiion
4. The occurrence of breeze is a manifestation of what method of heat transfer?
Convection
Conduction
Radiation
Thermal expansin
5. You are holding a metal wire on one end, while the other end is placed over the flame. Very soon, the wire is too hot to handle. What method of heat transfer is taking place?
Convection
Conduction
Radiation
Sublimation
only in gases
only in liquids
only in solids
in gases and liquids
When you touch a piece of ice with your finger, energy flows _______.
from your finger to the ice
from the ice to the finger
both ways
energy does not flow
The woman is cooking a noodle soup. How does the heat travel through the pan?
Radiation
Dispersion
Convection
Conduction
The lady is cooking a noodle soup. How does the heat travel through the soup?
Radiation
Dispersion
Convection
Radiation
In convection in gases, what happens with the cold air?
Cold air rises
Cold air sinks
Cold air moves up and down
Cold air moves side ward
Wind is defined as moving air. It is caused by unequal heating of the Earth"s surface. What method of heat transfer is taking place in this phenomena?
Convection
Conduction
Radiation
Dispersion
What method of heat transfer does not require a medium?
Conduction
Convection
Radiation
Dispersion
What happens with air if temperature increases?
the air rises
the air sinks
the air move side ward
the air move vertically
Heat transfer is related to change in temperature. This statement is ______.
TRUE
FALSE
MAYBE
UNDECIDED
Heat is an energy that is transferred from one object to another due to ______________.
difference in temperature
similarities with the temperature
fluctuating temperature
Both A and B
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