tides

• 2 kinds of tides

  1. spring tides
  2. neap tides
• spring tides - strongest tides
• spring tides - sun, moon, and earth's gravity are in a straight line
• neap tides - weakest tides
• neap tides - sun, moon, and earth's gravity form a right angle
• spring tides - here, the sun's and moon's gravities add up
• neap tides - here, the sun's and moon's gravities cancel out each other
• spring tides - the sun's tidal force works with the moon's tidal force and the combined pull causes highest and lowest tides
• 7 days after a spring tide - when neap tides happen
• neap tides - moderate tides
• what kind of tide is this?

  spring tide

  
• what kind of tide is this?

  neap tide