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