Uncover the Secrets of Tides
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Questions and Answers

Which celestial body has the greatest influence on tides?

  • The Earth
  • The Sun
  • The Mars
  • The Moon (correct)

    • What is the approximate wavelength of a tide?

  • 10,000 kilometers
  • 20,000 kilometers (correct)
  • 30,000 kilometers
  • 40,000 kilometers

    • What causes the phases of the Moon?

  • The Earth's rotation on its axis
  • The Earth's orbit around the Sun
  • The Moon's orbit around the Earth (correct)
  • The Moon's orbit around the Sun

    • Which celestial body causes the high tide on Earth?

    <p>The Moon</p> Signup and view all the answers

    What is the term used to describe the configuration of the Earth, Moon, and Sun in a straight line?

    <p>Spring tide</p> Signup and view all the answers

    How often do spring tides occur?

    <p>Every month</p> Signup and view all the answers

    Which celestial body exerts a gravitational influence on the Earth's oceans?

    <p>The Moon</p> Signup and view all the answers

    Which direction do the oceans tend to flow in response to the gravitational force from the Moon?

    <p>Towards the Moon</p> Signup and view all the answers

    What causes the Earth's rotation to slow down over time?

    <p>The Moon's gravitational pull</p> Signup and view all the answers

    Which celestial body has a significant gravitational effect on the Earth's surface?

    <p>The Moon</p> Signup and view all the answers

    How long does it take for the Moon to complete one orbit around the Earth?

    <p>29 days</p> Signup and view all the answers

    What is the position of the Moon during a full moon?

    <p>On the opposite side of the Earth from the Sun</p> Signup and view all the answers

    Why is there a high tide on the opposite side of the Earth from the moon?

    <p>The gravitational force pulling towards the moon is weakest on that side</p> Signup and view all the answers

    What is the difference between neap tides and spring tides?

    <p>Spring tides have a larger tidal range than neap tides</p> Signup and view all the answers

    Why does the moon cause larger tides than the sun, even though the sun is more massive?

    <p>The rate of change of the force of gravity is more significant for tides than the total force of gravity</p> Signup and view all the answers

    The gravitational force across the planet due to tides goes as one over the radius to the ______ power.

    <p>Third</p> Signup and view all the answers

    What is the critical distinction between the gravitational force itself and the gradient in gravitational force across the planet due to tides?

    <p>The distance between the Earth and the Sun</p> Signup and view all the answers

    What is the mass ratio between the Sun and the Moon?

    <p>30 million</p> Signup and view all the answers

    What is the radius ratio to the third power between the Earth and the Moon?

    <p>Less than one-half</p> Signup and view all the answers

    What causes tides on the Earth's surface?

    <p>Differences in gravitational force from the Moon</p> Signup and view all the answers

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