Across
- 5. maintain (a quantity such as energy) at a constant overall total
- 6. visible to the naked eye; not microscopic
- 8. an instrument for measuring and indicating temperature
- 12. an empty space within a solid object
- 14. a system of parts working together
- 15. give out sweat through the pores of the skin
- 17. relating to the teeth
- 18. supply with the necessary items for a particular purpose
Down
- 1. matter in the form of small separate particles
- 2. intensely deep or bright
- 3. a calculation or estimate of future events
- 4. be composed or made up of
- 7. cover or enclose in soft material
- 9. give out or emit
- 10. notice or perceive (something)
- 11. able to be easily carried or moved, especially because being of a lighter and smaller version than usual
- 13. a whitish fibre or bundle of fibres in the body that transmits impulses of sensation to the brain or spinal cord, and impulses from these to the muscles and organs
- 16. spread through and be perceived in every part of