A) motion B) liquid C) light D) energy
A) energy changing form B) thinking about objects C) changes in the state of matter D) vibrating objects
A) water B) solid objects C) empty space D) matter
A) gases B) liquids C) gels D) solids
A) a block of iron B) a mixture of gases C) empty space D) a pool of water
A) empty space B) waves C) circular motions D) straight lines
A) hear B) speak C) feel D) see
A) false B) true
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) the measure of the amount of gravity acting on an object's mass C) a form of energy produced by vibrating objects D) a force that works against motion |