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