Across
- 1. The source of water cycle- Sun
- 3. The liquid part of blood
- 7. Chemical used for disinfection of water
- 8. The part of flower that becomes fruit after fertilization
- 9. Scientist that speeds up the rate of chemical reaction
- 11. Planes fly in this layer of atmosphere
- 12. The reddish brown layer formed when iron reacts slowly with moisture and oxygen
- 13. This planet is also called "Morning Star"
- 14. S.I. unit of frequency
Down
- 1. The process in which solid directly changes into vapor on heating
- 2. Discovered the elements radium and polonium and researched radioactivity.
- 4. The unit used to measure electrical current
- 5. Message transmitters between brain and other parts of the body
- 6. Condition caused by deficiency of iodine
- 10. Force that keeps planets around the sun