A) light B) energy C) motion D) liquid
A) changes in the state of matter B) vibrating objects C) thinking about objects D) energy changing form
A) matter B) solid objects C) empty space D) water
A) liquids B) gels C) gases D) solids
A) empty space B) a block of iron C) a pool of water D) a mixture of gases
A) circular motions B) empty space C) straight lines D) waves
A) speak B) feel C) hear 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) 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 |