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