Moon Phases and Kinds of Tides

• Tides

  • are regular rise and fall of sea levels
  • Gravitational pull of the moon and sun causes the tides
• Spring tides

  • Strongest tides
  • When sun, moon, and earth are on a straight line Sun and moon’s gravities add up
• Neap tides

  • Weakest tides
  • When sun, earth, and moon form a right angle Sun and moon's gravities cancel each other out
• Moon phases

  • New moon
  • Waxing crescent
  • First quarter
  • Waxing gibbous
  • Full moon
  • Waning gibbous
  • Third quarter
  • Waning crescent
• The new moon is when the moon passes between the earth and the sun.