Waves

A person produces two sound waves with a flute, one immediately after the other. Both sound waves have the same pitch, but the second one is louder.  Which of the following properties is greater for the second sound wave?

• Frequency

• Amplitude

• Wavelength

• Speed in air

Tags

NGSS.MS-PS4-1

A wire is cut into four pieces of different lengths. Each piece is stretched between two supports to the same tightness. Which of the pieces, shown below, would give the highest pitch if it were plucked in the middle?

• Shortest

• longest

• medium

What do playing guitars, banging drums and dropping pebbles in water have in common?

• They all produce light

• They all cause vibrations

• They all convert heat to energy

• They all need gravity to move

Sound waves, water waves and light waves are all alike in that they all __________________.

• Move energy from one place to another.

• Move at the same speed

•  Move without vibrating

• Move the fastest in water

What is the distance between 2 consecutive points in a phase on a wave called?

• Frequency

• Period

• Amplitude

• Wavelength

Which statement best explains why thunder is heard after lightning is seen?

• The eye works faster than the ear

• Thunder is produced by the impact of lightning against the ground

• Light travels slower than sound

• Light travels faster than sound

In which medium would sound move the fastest?

• Vacuum

• Air

• Steel

• Water

The human ear receives sound waves as _________________ and converts them to signals that are processed by the brain.

• Electricity

• Pitch

• Vibrations

• Light

Tags

NGSS.MS-LS1-8

A tone that is lower in pitch is lower in what characteristic?

• Wavelength

• Loudness

• Frequency

• Resonance

Different wavelengths of light are seen as different 

• Atoms

• Sounds

• Colors

• Speeds