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