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