Energy And Waves Review Question Preview (ID: 54614)
Review Over Energy And Waves.
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What determines the amount of energy a wave has?
a) The amplitude
b) The wavelength
c) The crest
d) The trough
A bowling ball, baseball, golf ball, and ping pong ball are rolling down a bowling lane at the same speed. Which one has the most kinetic energy?
a) Bowling ball
b) Baseball
c) Football
d) Soccer ball
If you were shooting a bow and arrow, which of the following steps would produce the most elastic energy?
a) Bending the bow
b) Aiming the bow
c) Picking up the bow
d) Releasing the arrow
What kind of energy would a textbook lose if you dropped it off of a building?
a) Potential
b) Solar
c) Chemical
d) Kinetic
What type of energy does a car on a rollercoaster have if it is sitting at the top?
a) Potential
b) Kinetic
c) Thermal
d) Chemical
Select the one true statement about waves.
a) They have a regular repeating pattern
b) Their wavelength is not constant unless energy is added or taken away from them.
c) Their wavelength undergoes regular changes.
d) Waves don't have amplitude because if they did you would be able to see them.
Looking at the following list of objects, which one would be using kinetic energy?
a) A falling leaf
b) A house
c) A sleeping cat
d) A table in a classroom
If you take a baked potato out of the oven and remove the foil you'll notice the foil cools down quickly. However, it's unwise to bite the potato right when the foil cools because it will still be very hot. What is the reason for this?
a) The foil has a higher thermal conductivity and lower heat capacity than the potato.
b) The foil's thermal conductivity is low and the potato's is very high.
c) The foil's high thermal capacity keeps the potato warm.
d) Radiation from the foil keeps the potato hot.
Which statement describes the energy changes that occur when water in a tea kettle is heated on a stove that uses natural gas.
a) The chemical energy in the gas transforms into thermal energy, heats the water. Then it changes into sound energy whistle
b) Light energy in gas transforms into chemical energy in the water. Chemical energy changes into kinetic energy
c) The thermal energy in the gas transforms into sound energy when the water becomes hot. The sound energy and light energy
d) Some of the thermal energy in the natural gas transforms into sound energy when the water becomes hot. Then some of the sound
If a girl holds a ball at waist level and then lifts the ball above her head and holds it there, which of the following is she doing?
a) decreasing the ball's magnetic energy.
b) Increasing the ball's kinetic energy
c) Increasing the ball's stored energy
d) decreasing the ball's potential energy
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