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