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