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