G7 Science End of term 2 exam Revision Quiz #1

What do we need to hear a sound?

• fabric

• liquid

• vibration

• cold

What do we need to hear a sound?

• particles

• plastic

• solid

• heat

What does a sound source need to do to make a sound?

Fast vibrations make a...

• loud sound

• soft sound

• high-pitched sound

• low-pitched sound

Slow vibrations make a...

• loud sound

• soft sound

• high-pitched sound

• low-pitched sound

Strong vibrations make a...

• loud sound

• soft sound

• high-pitched sound

• low-pitched sound

Weak vibrations make a...

• loud sound

• soft sound

• high-pitched sound

• low-pitched sound

What is the substance that sound travels through?

• echo

• vacuum

• medium

• heat

What do we call a reflection of a sound wave?

• echo

• vacuum

• medium

• heat

Sound waves can not travel through this because there are no particles.

• echo

• vacuum

• medium

• heat