Energy Transfer in Waves
Physics ⇒ Waves and Sound
Energy Transfer in Waves starts at 8 and continues till grade 12.
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See sample questions for grade 8
A person shouts across a canyon and hears an echo. What does the echo demonstrate about energy transfer in sound waves?
A slinky is stretched out on a table. If you push one end quickly, a pulse travels to the other end. What is being transferred along the slinky?
A sound wave travels from air into water. What happens to the speed and energy transfer of the wave?
A stone is dropped into a pond, creating ripples. What is being transferred from the point where the stone hits the water?
A student observes that a wave on a string moves faster when the string is pulled tighter. What does this tell you about the speed of energy transfer in waves?
A student plucks a string on a guitar. What type of wave is produced and how is energy transferred?
A wave has an amplitude of 2 cm. If the amplitude increases to 4 cm, by what factor does the energy carried by the wave increase?
Describe how energy is transferred in a water wave.
Describe what happens to the energy of a wave when it is absorbed by a material.
Describe what happens to the energy of a wave when it is reflected.
Describe what happens to the energy of a wave when it is refracted.
Explain why a louder sound has more energy than a softer sound.
Explain why energy transfer by waves is important in everyday life.
Explain why sound cannot travel through space.
