Travelling sound

This task is about choosing evidence to support a science idea.
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Scientists often start with an idea and then observe carefully to find evidence that their idea might be  right. Danny's group collected some scientists' ideas about sound. They then wrote down some things they knew or had noticed about sound.  In the boxes beside each piece of evidence select the letter of the science idea that it relates to.

Scientists' ideas

A

Sound travels through solids.

B

Sound travels through water.

C

Sound travels through air.

D

Sound cannot travel through a vacuum.

Question

i)  Dolphins call to each other while travelling through the water.

    • A

    • B

    • C

    • D

Question

ii)  We can hear people talking in the room next to us.  (Select two)

    • A

    • B

    • C

    • D

Question

iii)  There is no sound in Space.

    • A

    • B

    • C

    • D

Question

iv)  We can feel the vibrations if a metal pipe is struck by something hard.

    • A

    • B

    • C

    • D

Question

v)  We hear echoes in caves.

    • A

    • B

    • C

    • D

Question

vi)  From a distance we can see an axe hit a piece of wood before we hear the chopping noise.

    • A

    • B

    • C

    • D