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