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===Examples===
: A [[scientist]] uses a [[Stopwatch|timer]] to see how long it takes for a [[kettle ]] to [[Boiling|boil]].: A [[scientist]] took one picture of a [[plant ]] every day to see how it [[Growth|grows]].
: A [[scientist]] [[Touch|touched]] a [[window]], a [[brick]] and some [[carpet]] to find out which one had the roughest [[texture]].
===Used in a Sentence===
: A [[scientist ]] wanted to observe how long it takes a [[kettle ]] to [[Boiling|boil]] one cup of [[water]].: A [[scientist ]] observed the [[growth ]] of a [[plant ]] by taking a picture every day.: A [[scientist ]] wrote down observations of the [[texture ]] of different [[Surface|surfaces]].
==Key Stage 3==