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