1. it is the transfer of heat though movement of liquids and gases
a. conductor
b. convection
c. radiation
d. vibration
2. the vibration of object produces_____________
a. heat
b. light
c. sound
d. radiation energy
3. which is NOT a method of heat transfer?
a. conductor
b. convection
c. radiation
d. vibration
4. it is a method where heat is transferred though direct contact
a. conductor
b. convection
c. radiation
d. vibration
5. when the sound travels through solid, the vibrationof the particles occurs____.
a. fst
b. slowly
c. irregulary
d. moderalety
6.how does sound travel though air?
a. in jumping motion
b. fast in a random manner
c. very fast
d. very slowly
7. in which medium can sound waves travel fastest?
a. gases
b. liquids
c. solids
d. solid and liquid
8. which of the following statements about sound is correct?
a. sounds cannot travel through solid
b. sound travel faster in solid than in air
c. sound travel faster in air than liquid
d. the travel of sound is not affected by the meduim where it travels.
9. the travel of energy in a form of waves through space is called __________
a. conduction
b. convection
c. radiation
d. vibration
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Thanks a lot