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