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