Molecular motion is a measure of the movement of the molecules in a substance. molecular motion is substantially different between the different states of matter. for example, the molecules in move more than the molecules in

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

The organism shown is a free-living one that is anchored to the bottom of ponds and streams during one stage of its life cycle what is the common name for the group to which this organism belong

Stage in which a star’s outer layers have started to cool and grow outward?