(1.) a fast movement that goes back and forth. ------OR------ (2.) an invisible wave that moves light.
LIGHT WAVES ARE (2.) an invisible wave that moves light.
(1.) a type of energy that lets us hear. ------OR------ (2.) the power to do work.
ENERGY IS (2.) the power to do work.
(1.) Light Wave. (2.) Energy. OR. (3.) Color.
(3.) Color.
(1.) an invisible wave caused by vibrations that move sound. ------OR------ (2.) an invisible wave that moves light.
SOUND WAVES ARE (1.) an invisible wave caused by vibrations that move sound.
(1.) Echo. (2.) Vibration. OR. (3.) Sound.
(1.) Echo.
(1.) a repeating sound you hear that is made by sound waves bouncing
off an object. ------OR------ (2.) making strong, noisy sound.
ECHO IS (1.) a repeating sound you hear that is made by sound waves bouncing off an object.
(1.) Light Wave. (2.) Bright. OR. (3.) Light.
(2.) Bright.
(1.) a type of energy that lets us see. ------OR------ (2.) what you see when light bounces off different objects.
LIGHT IS (1.) a type of energy that lets us see.
(1.) a repeating sound you hear that is made by sound waves bouncing off an object. ------OR------ (2.) what you see when light bounces off different objects.
COLOR IS (2.) what you see when light bounces off different objects.
(1.) Sound Wave. (2.) Light Wave. OR (3.) Energy.
(2.) Light Wave.
(1.) an invisible wave caused by vibrations that move sound.------OR------ (2.) a type of energy that lets us hear.
SOUND IS (2.) a type of energy that lets us hear.
(1.) Energy. (2.) Loud. OR (3.) Light.
(1.) Energy.
(1.) Vibration. (2.) Echo. OR (3.) Bright.
(1.) Vibration.
(1.) giving off strong, shining light. ------OR------ (2.) a type of energy that lets us see.
BRIGHT MEANS (1.) giving off strong, shining light.
(1.) making strong, noisy sound. ------OR------ (2.) giving off strong, shining light.
LOUD MEANS (1.) making strong, noisy sound.
(1.) Echo. (2.) Sound. OR (3.) Light.
(3.) Light.
(1.) Color. (2.) Loud. OR. (3.) Sound Wave.
(2.) Loud.
(1.) the power to do work. ------OR------ (2.) a fast movement that goes back and forth.
VIBRATION IS (2.) a fast movement that goes back and forth.
(1.) Sound Wave. (2.) Vibration. OR (3.) Color.
(1.) Sound Wave.
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