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==Key Stage 3==
===Meaning===[[ObservationsEvidence]]is the [[observation]]s, [[Reading|readings]] or [[MeasurementMeasure|measurements]] that a [[scientist]] will use to test whether a [[hypothesis]] is correct.
===Examples===
The Earth is Round:
Observation - The tip of a mast always appears before the rest of the ship on an ocean.
Measurements - On the 23rd of June a stick at the equator has no shadow. In Alexandria the shadow is 3cm long, in Paris it is 5cm long and in London the shadow is 8cm long.