1. Eclipses and Tides

2. Solar eclipse
The Moon, lines up exactly between the Earth and the Sun.

3. Lunar eclipse
The Moon is blocked from the Sun’s rays by the Earth.

4. Parts of an eclipse Total darkness is called the umbra
The outer shadow is partially
illuminated by the Sun,
and is called the penumbra.

5. Why eclipses happen

6. When can they occur?
Solar Eclipses – can occur only during the new moon phase
Lunar eclipses – can occur only during the full moon phase

7. Why not every month? Moon revolves around Earth
Earth revolves around Sun
Alignment has to be perfect, that is rare.

8. Why we have tides The gravitational pull of the moon and Sun
The moon is closer so it affects us more than the Sun.

9. Tides Tides happen every day! High tides happen every 12 hrs every day
Low tides happen every 12 hrs every day
That means every 6 hours you have a high or low tide shift.

10. Spring tides

11. When do tides happen Spring Tides: new and full moon phase
– SUPER high tides
Neap Tides: 1st and 3rd Quarter phases
– Smaller high tides

14. Bay of Fundy

15. Bay of Fundy