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