1. Earth from a million miles
Seasons

2. How are tides influenced by the moon and Sun?

3. Tides The rise and fall of sea levels
Caused by the gravitational forces of the Sun and Moon
The force of gravity is affected by mass and distance (radius)
Which is bigger? Sun or Moon?
Which is Closer? Sun or Moon?

5. Tidal Bulge

7. Tidal Range The difference in water level between high tide/Low Tide
Depends on the positions of the Sun and moon
Spring Tide
Neap Tide

8. Spring Tide
Largest tidal range
Earth, moon, Sun form a straight line

9. Neap Tide Lowest tidal range Earth, moon, sun form a right angle
Neap – sounds like “Knee”, which can bend at a right angle