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