Science Cambridge Olympiad

Pitch is

• How big or small the volume is

• How high or low the frequency is

• How tall or short the sound is

• The sound volume

A bat has a...

• Large sound

• High sound

• Low sound

• Bad sound

Tags

NGSS.MS-PS4-1

Those are the percussion instruments,...

• Guitar

• Bongos

• Dizi

• Tambourine

• Maracas

The elephant has low pitched sound and the human can hear the elephant sound.

• True

• False

Tags

NGSS.MS-PS4-1

All materials are good at muffling sound

• True

• False

Tags

NGSS.MS-PS4-2

Those materialsare good at muffling sound

• Brick

• Fabric

• Wool

• Wooden Block

• Foam Rubber

Tags

NGSS.MS-PS4-2

How to increase the pitch of string instruments?

• Shorten the string

• Loosen the string

• Tighten the string

• Thicken the string

• Thinner the string

Tags

NGSS.MS-PS4-1

A battery has 2 terminals, they are up and down terminal.

• True

• False

An electric current in the battery flows from negative to positive terminal.

• True

• False

Those instruments you play by plucking, the are

• Maracas

• Guitar

• Violin

• Pan pipe

• Harp