Properties of Waves

*Some earthquakes cause the ground to shake more than others. What factor in an earthquake’s waves causes a greater shaking of the ground?

• Less energy

• Lower frequenncey

• Larger amplitude

• Slower speed

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NGSS.MS-PS4-1

*How does sound usually travel?

• An object vibrates, and those vibrations travel through the air in one direction as transverse waves.

• An object vibrates, and those vibrations carry air in one direction as longitudinal waves.

• An object vibrates, and those vibrations carry air in all directions as transverse waves.

• An object vibrates, and those vibrations travel through the air in all directions as longitudinal waves.

*This is a wave pattern diagram for two transverse waves.

How do the waves compare?

• Both waves have the same frequency.

• Both waves have the same wavelength.

• Wave 1 has a larger wavelength than Wave 2.

• Wave 1 has a higher frequency than Wave 2.

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*Why does sound travel faster through a solid object than in the air?

• The atoms in the solid object are farther apart than the atoms in the air.

• The atoms in the solid object are closer together than the atoms in the air.

• The atoms are smaller in the solid object than the atoms in the air.

• The atoms are larger in the solid object than the atoms in the air.

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*How are earthquake, sound, and light waves alike?

• They transmit energy.

• They carry matter.

• They travel in space.

• They can be seen.

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*Josephine adds thicker strings to her guitar. What does that do?

• It prevents the guitar from using air particles to transfer sound.

• It changes the number of strings on the guitar.

• It changes the vibrations made by the guitar.

• It prevents the guitar from making sounds.

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*What do playing a guitar, banging a drum, and dropping a pebble in the water all have in common?

• They all produce light.

• They all cause vibrations.

• They all convert heat to energy.

• They all need gravity to move.

*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

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*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

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*What is the distance between the same point on two consecutive waves called?

• Frequency

• Period

• Amplitude

• Wavelength

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