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Earth’s Magnetic Field

Geography ⇒ Physical Geography

Earth’s Magnetic Field starts at 8 and continues till grade 12. QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Earth’s Magnetic Field. How you perform is determined by your score and the time you take. When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.
See sample questions for grade 8
Describe the difference between the geographic pole and the magnetic pole.
Describe what happens to a freely suspended bar magnet on the surface of the Earth.
Describe what would happen if the Earth did not have a magnetic field.
Explain how the Earth’s magnetic field protects us from solar wind.
Explain how the movement of the Earth’s outer core creates a magnetic field.
Explain the term ‘magnetic declination’.
Explain why a compass needle points north.
Explain why the magnetic field of the Earth is not exactly aligned with its rotational axis.
What is the approximate angle of inclination (dip) at the magnetic equator? (1) 0° (2) 45° (3) 90° (4) 180°
Which instrument is used to measure the direction of the Earth’s magnetic field? (1) Barometer (2) Thermometer (3) Compass (4) Seismograph
Which of the following best describes the shape of the Earth’s magnetic field? (1) Circular (2) Elliptical (3) Dipolar (4) Rectangular
Which of the following is a direct consequence of the Earth’s magnetic field? (1) Formation of mountains (2) Occurrence of auroras (3) Rainfall (4) Earthquakes
Fill in the blank: The Earth’s magnetic field is also called the _______ field.
Fill in the blank: The Earth’s magnetic field is similar to that produced by a _______ magnet.
Fill in the blank: The Earth’s magnetic field is strongest at the _______.
Fill in the blank: The Earth’s magnetic field is weaker at the _______ than at the poles.
True or False: The Earth’s magnetic field can be detected using a simple bar magnet and iron filings.
True or False: The Earth’s magnetic field can reverse its direction over geological time periods.
True or False: The Earth’s magnetic field helps in the migration of certain animals.
True or False: The Earth’s magnetic field is important for navigation.