Revison- Unit 5: Sound

....travel as vibrations through mediums and reach our ears.

• light

• rocks

• water

• sounds

In a concert, a boy is playing the drum, and a girl is playing the piano, which instrument has a pleasant sound?

• the drum

• none of them

• both of them

• the piano

Emily hears the sound of a hammer from her neighbor's house. It hurts her ears. What can we say about the hammer's sound?

• It is beautiful

• It is nice

• It is pleasant

• It is unpleasant

When sound reaches our ....., we can hear it?

• ears

• eyes

• heads

• brains

Sounds can travel through ....q...ds.

• l/a/i/u

• l/i/u/i

• l/u/i/a

• l/i/i/u

During the rush hour, we can hear lots of..... from vehicles on the streets.

• pleasant sounds

• whispers

• noises

• scream

Sounds can travel through liquids, solids and ......

• objects

• environments

• food

• gases

Sounds can travel through water but cannot travel in space.

• space/ water

• water/wall

• gas/water

• water/space

Sounds can travel through... but cannot travel in...

• solids/ space

• liquids/ solids

• space/ solids

• solids/gases

Which of the following is an unpleasant sound?

• the sound from a piano

• the sound from a drill

• the sound from a radio

• the sound from a violin