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