A) liquid B) motion C) energy D) light
A) energy changing form B) changes in the state of matter C) vibrating objects D) thinking about objects
A) water B) matter C) empty space D) solid objects
A) solids B) gases C) liquids D) gels
A) a block of iron B) a mixture of gases C) empty space D) a pool of water
A) waves B) circular motions C) straight lines D) empty space
A) speak B) feel C) hear D) see
A) true B) false
A) a form of energy that travels in waves and can move in empty space B) a form of energy produced by vibrating objects C) the amount of matter in an object D) the substance that does not allow electricity to travel through it
A) move back and forth rapidly B) a form of energy produced by vibrating objects C) a force that works against motion D) the measure of the amount of gravity acting on an object's mass |