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