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Spring & Neap Tides

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About this simulation

Move the Moon around Earth and watch lunar and solar tidal contributions combine. Compare alignment, right angles and relative tidal range.

What students can explore

  • Compare the tidal range at 0°, 90° and 180°. Where is it greatest?
  • Equilibrium model with lunar amplitude 1 and solar amplitude 0.46. Heights are relative, not metres. Continents, water depth, weather and tidal delays are omitted; this is not a coastal forecast.

Learning objectives

  1. 1Compare the tidal range at 0°, 90° and 180°. Where is it greatest?

Questions teachers ask

Compare the tidal range at 0°, 90° and 180°. Where is it greatest?

Alignment at 0° and 180° gives spring tides and a range of 2.92 model units. At 90°, neap tides have a smaller range of 1.08.

About the model

Equilibrium model with lunar amplitude 1 and solar amplitude 0.46. Heights are relative, not metres. Continents, water depth, weather and tidal delays are omitted; this is not a coastal forecast.

Embed this simulation

Drop it into your LMS, blog, or class site — free.

<iframe src="https://kiwibee.io/en/simulations/spring-neap-tides-simulation/embed" title="Spring &amp; Neap Tides | KiwiBee" loading="lazy" allowfullscreen style="width:100%;height:min(70vh,620px);min-height:420px;border:0;border-radius:16px"></iframe>

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