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Time
,→Key Stage 3
'''Time''' can be measured in:
*[[Second]]s - Used for quick events like the rate of a reaction.
*[[Minute]]s - For slow reactions or journeys of a few miles.
*[[Hour]]s - For long journeys or slow changes in [[organism]]s.
*[[Day]]s - For gradual changes in [[organism]]s.
*[[Week]]s - For changes in a [[human]]s [[mass]] or [[height]].
*[[Month]]s - A variable length of time from 28 to 31 days, avoided in science.
*[[Year]]s - For the [[orbit]]s of other [[planet]]s around stars.
: '''Time''' can be [[measure]]d using a [[clock]] or a [[stopwatch]] or a [[timer]].
==Key Stage 4==
===Meaning===
'''Time''' is the [[measure]] of the duration of an event.
===About Time===
'''Time''' can be measured in:
*[[Nanosecond]]s - One billionth of a [[second]], an ultra fast [[LASER]] pulse.
*[[Microsecond]]s - One millionth of a [[second]], the [[time]] [[period]] of an [[ultrasound]] [[wave]].
*[[Millisecond]]s - One thousandth of a [[second]], the response rate of a tv screen.
*[[Second]]s - For quick events like the rate of a reaction.
*[[Minute]]s - For slow reactions or journeys of a few miles.
*[[Hour]]s - For long journeys or slow changes in [[organism]]s.