science of motion. Branch of physics concerned with motion of bodies.

To make something have an effect on something else.

To affect or change something indirectly.

To make clear or easy to understand by describing.

To make as effective as possible.

Having happened or been done before this time.

loose wet sand that yields easily to pressure and sucks in anything resting on or falling into it.

influenced or touched by external factor. To cause a change in something else.

process of changing something's colour. To change or affect someone's opinion.

situated on or near outside. situated beyond boundaries of place. Area around or near something, such as a building. Beyond the limits or edges of some place, thing.

devotion of time and attention to gaining knowledge of academic subject. Rooms that a person studies or reads in. To focus on learning something usually at school.

designer or maker of machines. People whose job is to repair or maintain engines. design and build.

perceive intended meaning of.

used for emphasis with following adjective functioning as adverb. Thing that is not yet known or named.

certainly.