Tides & Eclipses Astronomy Page 12 ©Mark Place, 2007-2008 www.LearnEarthScience.com
Tides
What causes tides?
Caused by the gravitational pull of the moon & sun
Based on the Diagram, which are larger? Spring Neap? or SPRING TIDES
During which phases of the moon do neap and spring tides occur?
Neap Quarter phases Neap?
New and Full Moon Spring?
How many tides a day (24 hours)? 2 high tides 2 low tides Tide charts - NOAA
Rising tides
Why are there not exactly 12 hours between tides? Because the Moon is always revolving around the Earth
solar and lunar eclipses? What’s the difference between solar and lunar eclipses? Solar Lunar Earth blocks Out the moon Moon blocks out the Sun
What phase? New Moon Solar Eclipse solar eclipse visual In fact, it is an unlikely coincidence that we see total solar eclipses at all. The Moon is about 400 times smaller than the Sun, but also happens to be about 400 times closer solar eclipse visual
Solar Eclipses through 2020
Annular Eclipse May 10, 2013 You'd have to wait an average of 375 years to see two total eclipses from one place.
Lunar Eclipse What phase? Full Moon
lunar eclipse visual
May 25, 2013 Lunar Eclipse 2013
solar and lunar eclipses Why don’t we have solar and lunar eclipses every month? The moon’s orbit is tilted 5° from the Earth’s orbit.