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