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