1. TIDES
CHAPTER 24.3

2. TIDES
The periodic rise and fall of the ocean surface due to the gravitational pull of the moon and Sun
The positions of the moon and sun relative to Earth affect both the time and height of the tides
High Tide: tide reaches the highest point on the shore
Low Tide: tide reaches the lowest point on the shore

3. DIRECT HIGH TIDE Gravity is stronger when objects are closer together
The Moon pulls water on the side of Earth nearest it more strongly than it pulls on Earth itself
Causes a bulge in the ocean on the side nearest the moon
Bulge is the direct high tide

4. INDIRECT HIGH TIDE Occurs on the other side of Earth opposite the moon
The moon pulls more strongly on Earth’s center than it pulls on the water
Earth is being drawn away from the water, leaving a bulge behind

5. LOW TIDES
The bulges on opposite side of Earth pull water away from the areas that lie between the two high sides
Creating low tides areas

6. MOON’S MOVEMENT
Since the moon moves around Earth, the bulge also move around Earth
The moon rises about 50 minutes later each day and so do the tides

7. SUN’S EFFECT ON TIDES The Sun also influences Earth’s waters
The Sun’s tidemaking effect is only about half that of the moon because it is so much father away
It can either enhance or detract from the moon’s effect

12. Title and Content Layout with Chart

13. Two Content Layout with Table
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Class 1 82 85
Class 2 76 88
Class 3 84 90
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14. Two Content Layout with SmartArt
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Task 1
Task 2
Group A
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Group C