Spelling

12345678910
Across
  1. 2. a triangle with to equall sides
  2. 4. a part of a atom
  3. 5. able to be distracted
  4. 9. a three-sided shape
  5. 10. the centre of an atom
Down
  1. 1. two lines which meet at a right angle
  2. 3. a partial of electricity
  3. 6. able to be changed
  4. 7. unable to be accessed
  5. 8. two lines which never meet