Y4 Sound

How does sound travel?

• Sounds travels in waves
• sound travels slow
• sound travels fast
• sound doesn't travel

What is Pitch?

• How loud or soft a sound is
• muscle that holds vocal cords
• movement back and forth
• how high or low a sound is

What is vibration?

• the rate at which sound waves occur
• movement back and forth
• how high or low a sound is

Sound travels fastest through...

• gas
• liquid
• solids/metals
• space

Sounds travels slowest through...

• space
• solids/metals
• gas
• liquids

A place where no sound exists is...

• in the air

• under water

• space

• all of the above

The volume of a sound is measured in units called ________

• decibels
• liters
• sound waves
• inches per minute

Which sentence BEST describes how sound moves?

• Sound can move through solids, liquids, or gases.

• Sound can move through empty space or through matter.

• Sound can move through solids and liquids but not through gases.

• Sound can move through liquids and gases but not through solids.

How does sound travel?

• Sounds travels in waves

• Sound travels slowly

• Sound travels fast

• Sound doesn't travel

What unit do we use to measure sound?

• decibels

• kilograms

• pounds

• centimetres