Question

Which statements about Earth’s core help explain Earth’s magnetic field? Check all that apply. Earth’s core is composed of magnets. The inner core is solid. The outer core is solid. The inner core is liquid and moving. The outer core is liquid and moving. Earth’s core is composed of iron and nickel.

Answer 1

Answer:

The outer core is liquid and moving.

Earth’s core is composed of iron and nickel.

Explanation:

The Earth behaves as a huge bar magnet. It has magnetic field surrounding it. The magnetic field of the Earth is due to the presence of magnetic materials such as iron and nickel present in molten form in the core of the Earth. The outer core is in molten state i.e. liquid and is in motion. The domains of the magnetic material align in single direction and produce magnetic field which makes Earth act like a bar magnet which north and south magnetic poles.

Answer 2

The statements 'the inner core is solid' 'the outer core is liquid and moving' and 'Earth’s core is composed of iron and nickel' help to explain Earth’s magnetic field.

Earth's magnetic field

Earth's magnetic field can be defined as the magnetic field that extends from Earth's interior out into the surrounding space.

• This magnetic field (Earth's magnetic field) can interact with the solar winds emitted by the Sun.

• Earth's magnetic field is in part due to the movement of liquid metals (iron and nickel) inside the Earth's core.

In conclusion, the statements 'the inner core is solid' 'the outer core is liquid and moving' and 'Earth’s core is composed of iron and nickel' about Earth’s core help explain Earth’s magnetic field.

Learn more about Earth's magnetic field here:

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