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