11. What is the direction of heat transfer? a. from hot o cold b. from botbm to top
12. How is heat transferred in solid materials? a. through convection b. through adiation
13. What happens to a liquid when heated? a. it remains the same b. it increases in volume c. from cold to hot d. from side to side c. through conduction d. through vacuum c. it increases in temperature d. it increases its water level
14. How do the vibrations of the particles behave when sounds travel through solids? a. occurs fast b. occurs very slowly c. occurs moderately d. cannot be determined
15. Which of the following statements about sounds is correct? a. Sound cannot travel through solids. b. Sounds travel faster in air than liquids. c. Sounds travel faster in solids than air. d. The travel of sounds is not affected by the medium through which it travels
12. How is heat transferred in solid materials? a. through convection b. through adiation
13. What happens to a liquid when heated? a. it remains the same b. it increases in volume c. from cold to hot d. from side to side c. through conduction d. through vacuum c. it increases in temperature d. it increases its water level
14. How do the vibrations of the particles behave when sounds travel through solids? a. occurs fast b. occurs very slowly c. occurs moderately d. cannot be determined
15. Which of the following statements about sounds is correct? a. Sound cannot travel through solids. b. Sounds travel faster in air than liquids. c. Sounds travel faster in solids than air. d. The travel of sounds is not affected by the medium through which it travels
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Answers & Comments
1.) What is the direction of heat transfer?
a. from hot to cold
b. from bottom to top
2.) How is heat transferred in solid materials?
a. through convection
b. through radiation
3.) What happens to a liquid when heated?
a. it remains the same
b. it increases in volume
c. from cold to hot
d. from side to side
c. through conduction
d. through vacuum
c. it increases in temperature
d. it increases its water level
4.) How do the vibrations of the particles behave when sounds travel through solids?
a. occurs fast
b. occurs very slowly
c. occurs moderately
d. cannot be determined
5.) Which of the following statements about sounds is correct?
a. Sound cannot travel through solids.
b. Sounds travel faster in the air than liquids.
c. Sounds travel faster in solids than in air.
d. The travel of sounds is not affected by the medium through which it travels
(bonus on num. 5)
Sound waves travel faster in a solid than in liquids and gases. Because the speed of the sound depends on the density of the medium in which it propagates. Higher the density of the medium, the faster the sound travels.
hope it helps!