Puzzle Time

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Across
  1. 2. exhibiting or relating to magnetism.
  2. 5. the highest taxonomic rank in the hierarchical biological classification system, above the kingdom level
  3. 6. a natural phenomenon which is characterised by a display of a natural-coloured light in the sky
  4. 7. an amount of space between two things or people
  5. 9. the curved path of a celestial object or spacecraft around a star, planet, or moon, especially a periodic elliptical revolution
Down
  1. 1. a core of magnetic material surrounded by a coil of wire through which an electric current is passed to magnetize the core
  2. 2. a coherent, typically large body of matter with no definite shape
  3. 3. the force that attracts a body toward the center of the earth, or toward any other physical body having mass
  4. 4. a piece of iron that has its component atoms so ordered that the material exhibits properties of magnetism, such as attracting other iron-containing objects or aligning itself in an external magnetic field
  5. 8. the basic unit of a chemical element