Sounds can be made by

• Animals

• People

• Things

• Ideas

Tags

NGSS.MS-PS4-1

Sounds are caused when something

Tags

NGSS.MS-PS4-1

The number of vibrations that an object makes in one second is called

• Pitch

• Frequency

• Acoustics

• Sound Waves

Sound waves move through __________ such as air, water, walls, and the ground.

Tags

NGSS.MS-PS4-2

_________________ is the degree of highness or lowness of a sound.

• Timbre

• Pitch

• Frequency

• Acoustics

The more ______________ a sound wave has, the louder it seems.

Tags

NGSS.MS-PS4-1

The sound waves for ___________ are irregular.

• pleasant sounds

• noise

• loud sounds

• soft sounds

The vocal cords vibrate when ________ goes over them.

• air

• water

• sound

• energy

Something that helps a person hear is called a ______________ ______.

• hearing helper

• hearing aid

• ear aid

• Hear Again 3000

Nerves take the sound messages to the _________________.

• eyes

• brain

• ear

• nose

Tags

NGSS.MS-LS1-8