a fast movement that goes back and forth
vibration
an invisible wave caused by vibrations that move sound
sound wave
a type of energy that lets us hear
sound
making strong, noisy sound
loud
an invisible wave that moves light
light wave
a type of energy that lets us see
light
the power to do work
energy
a repeating sound you hear that is made by sound waves bouncing off of an object
echo
what you see when light bounces off different objects
color
giving off strong, shining light
bright
_ _ _
off
_ _ _ _ _
music
_ _ _ _ _
learn
_ _ _ _
hear
_ _ _ _
fast
_ _ _ _ _
white
