Difference between revisions of "Timer"
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===Meaning=== | ===Meaning=== | ||
A '''timer''', usually called a stopwatch, is a [[Scientific Instrument|scientific instrument]] used to measure how much time it takes for something to happen. | A '''timer''', usually called a stopwatch, is a [[Scientific Instrument|scientific instrument]] used to measure how much time it takes for something to happen. | ||
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| + | ==Key Stage 3== | ||
| + | ===Meaning=== | ||
| + | [[File:Stopwatch2.png|right|300px|thumb|A picture of a '''stopwatch'''.]] | ||
| + | A '''timer''', usually called a '''stopwatch''', is a [[Scientific Instrument|scientific instrument]] used to [[measure]] how much [[time]] it takes for something to happen. | ||
| + | |||
| + | ===About Stopwatches=== | ||
| + | : A '''stopwatch''' can usually give a [[time]] to an [[accuracy]] of to 10 milliseconds. | ||
| + | : Most '''stopwatches''' have a 'lap' function that will keep the [[timer]] going in the background while the [[time]] that the 'lap' button was pressed will stay on screen until it is pressed again. | ||
Revision as of 14:06, 3 December 2018
Contents
Key Stage 1
Meaning
A timer is a piece of equipment used to find out how long something takes to happen.
About Timers
There are lots of different timers. Some timers have an alarm that goes off after a certain time. Some timers can be stopped to find out how long something took to happen. These are called stopwatches or stopclocks.
Examples
- A chef made sure the eggs were only boiled for 5 minutes.
- A scientist measured how long it takes to count to 100.
- A scientist wanted to see who could get to the other side of the field in the least time.
Used in a sentence
- An egg timer was set to go off after 5 minutes.
- A scientist used a timer to time how long it took to count to 100.
- A scientist used a timer to measure how long it took each person to run across the field.
Key Stage 2
Meaning
A timer, usually called a stopwatch, is a scientific instrument used to measure how much time it takes for something to happen.
Key Stage 3
Meaning
A timer, usually called a stopwatch, is a scientific instrument used to measure how much time it takes for something to happen.