Across
- 3. oval-shaped
- 5. a perpendicular line drawn to a surface
- 9. made by winding a coil around a magnetic material
- 10. not moving
- 11. spread out through the surrounding
- 13. having lost a magnetic field
- 14. to hit on something
- 15. paths of light
- 17. a secondary colour of combination of blue and green
- 19. a metal object that will attract magnetic objects
Down
- 1. the weather condition over a long period of time
- 2. when light is not being absorbed
- 4. turning effect of force
- 6. the substance which the light travel
- 7. the conditions in a particular place
- 8. separating white light into its component colour
- 12. a 3D shape with a cross-section
- 14. the object in the middle of the coil
- 16. to show the direction of a magnetic field
- 18. rocky objects, smaller than planets