SCIENCE- THERMODYNAMICS AND HEAT TRANSFER EXAM QUESTIONS AND ANSWERS

SCIENCE- THERMODYNAMICS AND
HEAT TRANSFER EXAM QUESTIONS
AND ANSWERS
There are no particles between Sun & Earth so its energy ___ travel by conduction/
convection. - ANSWER-Cannot

In convection, in effect warmer liquids and gases ______ and cooler liquids and gases
________. - ANSWER-Rise up/Sink

How does heat energy travel from the Sun to the Earth? - ANSWER-Radiation

_____________________is the study of heat. - ANSWER-Thermodynamics

In hot objects (high energy) the particles move ___________. - ANSWER-Faster

In cold objects (low energy) they move more ___________. - ANSWER-Slowly

_______________ is the overall energy of motion of all particles making up the object. -
ANSWER-Thermal Energy

________________ is the measure of that heat. The "hotness" of the object. -
ANSWER-Temperature

___________ is the temperature where all molecular motion stops. All thermal energy is
removed. - ANSWER-Absolute Zero
This picture illustrates which of the following forms of heat transfer ? - ANSWER-
Radiation

This picture illustrates which of the following forms of heat transfer ? - ANSWER-
Conduction

This picture illustrates which of the following forms of heat transfer ? - ANSWER-
Convection

Heat transfer in a fluid where heat moves away from the source of heat, carrying energy
with it - ANSWER-Convection

Mechanisms of heat transfer entailing the emission of a spectrum due to object's
temperature. - ANSWER-Radiation

Process by which heat energy is transmitted through collisions between neighboring
molecules - ANSWER-Conduction