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