I don't know if anyone saw my questions, so I'll ask again. I'm in need of quick help.
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The table shows the speed of sound waves in different materials. Sound
would travel most quickly through ______.
wood****(?)
water
air
outer space
*Table shown in screenshot, Lightshot is a Secure site*
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The table shows the thermal conductivity of some common materials.
Which would be the best insulator?
diamond
gold
lead
concrete*****(?)
*Table shown in screenshot, Lightshot is a Secure site*
What is an echo?
the absorption of sound waves
the transmission of sound waves
the reflection of sound waves****(?)
the vibration of sound waves
Which is an example of the flow of heat through conduction?
Hot air rises to the top of a room.
A hot-air balloon rises into the sky.
Heat flows from a hot liquid to a pot handle.****(?)
Heat causes winds to blow from the water to the land.
Thanks,
~A, for Anonymous.
3 answers