Sound, Light and Heat

First Quarter Exam 2015 - Science Grade 8 / First Quarter Exam 2015 - Science Grade 8

Sample Question

>A glass full of ice cubes is on the table.

When the ice cubes begin to melt, how will this affect the speed of sound that travels through it?

  • The speed of sound remains the same.
  • Sound slows down.
  • Sound speeds up.
  • Sound neither slows down nor speeds up.

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