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