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