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