Across
- 2. Long Cables with a silica core that can be used to guid other light signals from one end of the cable to the other
- 4. Evaporation of solvent from a solution to leave solute behind as crystals
- 6. Able to be stretched to form a wire
- 8. Any chemical reaction where a substance burns in oxygen to produce light and heat
- 10. Grid-like structures of atoms
- 12. Describes elements which consist of single atoms
- 14. A simplified representation of solids, liquids and gases
- 17. A change of state where a gas is cooled and forms a liquid
- 20. The term used to describe the structure of the DNA molecule; consists of 2 strands twisted into a double spiral
- 21. A process where two liquids or two gases mix due to the motion of their particles
- 22. a chemical reaction that occurs in all living
Down
- 1. A change of state from gas to solid
- 3. the substance found in plants leaves that make leaves green and collects energy from the Sun for photosynthesis
- 5. A solution in which a substance is dissolved in water
- 7. An electrical switch used in computers to process data quickly
- 9. Describes liquids that can be mixed
- 11. Minerals rich in metals such as copper and iron
- 13. A decrease in size
- 15. Mixture of metal with other metals or non metals
- 16. In this reaction, oxygen and glucose are converted into water and carbon dioxide while releasing energy. The energy released can be used by living things to live, grow and move.
- 18. Describes liquids that do not mix
- 19. Able to hammered or bent into new shapes