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Tides. Section 2. What Causes Tides?. Tides are the daily rise and fall of Earth’s waters on its coastlines Gravity and tides Tides are caused by the interaction of Earth, the moon, and the sun The daily tide cycle The monthly tide cycle (spring & neap tide)
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Tides Section 2
What Causes Tides? • Tides are the daily rise and fall of Earth’s waters on its coastlines • Gravity and tides • Tides are caused by the interaction of Earth, the moon, and the sun • The daily tide cycle • The monthly tide cycle (spring & neap tide) • Changes in the positions of Earth, the moon, and the sun affect the heights of the tides during a month • Tide tables
Energy from Tides • The movement of huge amounts of water between high and low tide is a source of potential energy – energy that is stored and can be used