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Questions and Answers
What is the Earth's core made of?
What is the Earth's core made of?
- Iron and nickel (correct)
- Liquid metal
- Both solid and liquid metal
- Solid metal
Which part of the Earth's core is thought to generate the magnetic field?
Which part of the Earth's core is thought to generate the magnetic field?
- Outer core
- Inner core
- Both inner and outer core (correct)
- Neither the inner nor the outer core
Why does the Earth seem to have a large bar magnet inside it?
Why does the Earth seem to have a large bar magnet inside it?
- Due to the constant spinning on its axis
- Because of the fixed positions of the geographic north and south poles
- Due to the movement of the two parts of the core at different speeds (correct)
- Because of the iron content in the core
Which statement best explains why magnetic north changes position slightly every year?
Which statement best explains why magnetic north changes position slightly every year?
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What is the difference between magnetic north and geographic north?
What is the difference between magnetic north and geographic north?
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