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