A) liquid B) energy C) light D) motion
A) vibrating objects B) thinking about objects C) changes in the state of matter D) energy changing form
A) empty space B) water C) matter D) solid objects
A) solids B) liquids C) gels D) gases
A) a pool of water B) empty space C) a mixture of gases D) a block of iron
A) straight lines B) empty space C) waves D) circular motions
A) speak B) feel C) hear D) see
A) false B) true
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) the amount of matter in an object D) a form of energy produced by vibrating objects
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 |