A) liquid B) motion C) light D) energy
A) energy changing form B) thinking about objects C) changes in the state of matter D) vibrating objects
A) solid objects B) empty space C) water D) matter
A) solids B) liquids C) gels D) gases
A) empty space B) a pool of water C) a block of iron D) a mixture of gases
A) empty space B) straight lines C) waves D) circular motions
A) see B) speak 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) the measure of the amount of gravity acting on an object's mass B) a form of energy produced by vibrating objects C) move back and forth rapidly D) a force that works against motion |