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Page 1: Tides are periodic rises and falls of large bodies of water. Tides are caused by the gravitational pull of the moon and inertia. Most coastal areas see

Tides

Page 2: Tides are periodic rises and falls of large bodies of water. Tides are caused by the gravitational pull of the moon and inertia. Most coastal areas see

Tides are periodic rises and falls of large bodies of water.

Tides are caused by the gravitational pull of the moon and inertia.

Most coastal areas see two high tides and two low tides every 24 hour period.

Page 3: Tides are periodic rises and falls of large bodies of water. Tides are caused by the gravitational pull of the moon and inertia. Most coastal areas see

As the earth rotates, the moon pulls water towards the side it is on.

This creates a bulge of water closest to the moon.

Because objects in motion want to continue to move in that direction, INERTIA cause the water on the opposite side of earth to bulge.

Page 4: Tides are periodic rises and falls of large bodies of water. Tides are caused by the gravitational pull of the moon and inertia. Most coastal areas see
Page 5: Tides are periodic rises and falls of large bodies of water. Tides are caused by the gravitational pull of the moon and inertia. Most coastal areas see
Page 6: Tides are periodic rises and falls of large bodies of water. Tides are caused by the gravitational pull of the moon and inertia. Most coastal areas see
Page 7: Tides are periodic rises and falls of large bodies of water. Tides are caused by the gravitational pull of the moon and inertia. Most coastal areas see

Two Types of TidesSpring Tide: When the moon is full

or new, the gravitational pull of the moon and sun are combined

A Spring tide occurs when the moon’s gravity and the sun’s gravity pulls on the water.

At these times high tides are VERY HIGH and low tides are VERY LOW.

Page 8: Tides are periodic rises and falls of large bodies of water. Tides are caused by the gravitational pull of the moon and inertia. Most coastal areas see
Page 9: Tides are periodic rises and falls of large bodies of water. Tides are caused by the gravitational pull of the moon and inertia. Most coastal areas see

Neap Tide: During the moon's quarter phases the sun and moon work at right angles, causing the bulges to cancel each other.

These tides usually produce a much smaller difference between high and low tide.

Page 10: Tides are periodic rises and falls of large bodies of water. Tides are caused by the gravitational pull of the moon and inertia. Most coastal areas see
Page 11: Tides are periodic rises and falls of large bodies of water. Tides are caused by the gravitational pull of the moon and inertia. Most coastal areas see
Page 12: Tides are periodic rises and falls of large bodies of water. Tides are caused by the gravitational pull of the moon and inertia. Most coastal areas see
Page 13: Tides are periodic rises and falls of large bodies of water. Tides are caused by the gravitational pull of the moon and inertia. Most coastal areas see
Page 14: Tides are periodic rises and falls of large bodies of water. Tides are caused by the gravitational pull of the moon and inertia. Most coastal areas see
Page 15: Tides are periodic rises and falls of large bodies of water. Tides are caused by the gravitational pull of the moon and inertia. Most coastal areas see

What is the main cause of tides?

The gravita

tio...

The gravita

tio...

The gravita

tio...

I need help!

25% 25%25%25%A. The gravitational pull of the moon and inertia

B. The gravitational pull of the sun

C. The gravitational pull of the Earth

D. I need help!

Page 16: Tides are periodic rises and falls of large bodies of water. Tides are caused by the gravitational pull of the moon and inertia. Most coastal areas see

If the sun, Earth and moon are perfectly aligned (as pictured), what event will occur on Earth

30%

0%

52%

17%

A. Neap TideB. Solar EclipseC. Lunar EclipseD. Seasonal Change

Page 17: Tides are periodic rises and falls of large bodies of water. Tides are caused by the gravitational pull of the moon and inertia. Most coastal areas see

Tides are caused mainly by:

0

23

00

A. Earth’s rotation on its axisB. Differences in how much the

sun pulls on different parts of the Earth

C. Strong winds blowing water onto the coast

D. Differences in how much the moon pulls on different parts of the Earth


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