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