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