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