Science - Sounds

When matter moves in a back and forth motion, the movement is known as __________

• PITCH

• WAVE

• VIBRATION

• STRING

How high or low a sound is the definition of ________

• VOLUME

• MATTER

• PITCH

• SOUND

The softness or loudness of a sound is also known as _________

• Volume

• high pitch

• low pitch

• Sound

Low pitch sounds are caused by a ______ vibration

• HARD

• FAST

• HIGH

• LOW

A sound wave can travel through ________

• air and water

• gas and solid

• phone and TV

• solid, liquid and gas

Choose a place where we unable to hear sound!

• underground

• planet

• water

• space

What is the range of human frequency in hearing sounds?

• 40 Hz to 40,000 Hz

• 20 Hz to 20,000 Hz

• 30 Hz to 30,000 Hz

• 10 Hz to 10,000 Hz

Which of the following can produce high-pitch-sound? Choose two!

• Crying baby

• Mopping Floor

• Knocking a door

• Cutting a paper

Which of the following is a way to change the volume of a sound?

• add the size of the object

• the vibrations can be increased

• change the shape of the object

• change the material of the object

Why does sound become quieter as it travels away from a source?

• The sound waves get bigger

• The speed of sound wave is faster

• The sound waves get absorbed by the surrounding environment

• The sound waves get louder