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