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