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