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