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