The Regular cycle of the Earth- Moon system. The Lunar Cycle The Regular cycle of the Earth- Moon system. It takes 29.5 days for the moon to move through the phases.
New Moon Cycle begins at the new moon The moon is not visible from the earth
Waxing Crescent You begin to see more of the moon as it appears to grow or “WAX”.
1st Quarter Moon You see half of the lighted side of the moon
The moon continues to wax. Waxing Gibbous The moon continues to wax.
Full Moon You see the whole lighted side of the moon
Waning Gibbous The moon appears to get smaller or, WANE
3rd Quarter Moon You see half of the lighted side of the moon
Waning Crescent You see a crescent again.
New Moon The Cycle begins again, 29.5 days later
Tides The daily rise and fall of earth’s water on the coastlines.
Tides occur about every 12 hours and 25 minutes apart
Warmup: December 2, 2010 What Causes Tides? Gravity between the Sun, Earth and Moon causes the tides
Spring Tides Occur twice a month at the new and full moon These have the greatest range between high and low tides
Neap Tides These occur at the 1st and 3rd quarter moon when the sun, earth and moon are at right angles to each other.
Low Tide
High Tide