Student Exploration:Ocean Tides

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Vocabulary: gravity, high tide, low tide, neap tide, spring tide, tidal bulge, tides Prior Knowledge Question (Do this BEFORE using the Gizmo.) What is happening in these images? The water is floo... ding Gizmo Warm-up The Tides Gizmo™ shows the relative positions of the Earth, Moon, and Sun. (None of the distances are to scale.) An observer stands on Earth. 1. Set the Speed to Slow. Select the BAR CHART and press Play ( ). What do you notice? The moon moves very slow The changing depth of water is due to tides. 2. Click Pause ( ) when the water is at its highest level. This is called high tide. What is the height of water during high tide? 19 ft 3. Click Play, and then Pause when the water is at its [Show More]

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