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