Across
- 2. Indicator commonly used to distinguish acids from bases.
- 5. of Curvature: Distance between the pole and the centre of curvature.
- 10. (Life Processes)
- 12. Image: Image that can be formed on a screen.
- 14. Reaction in which a more reactive element replaces a less reactive element
- 15. Conversion of absorbed nutrients into body tissues.
Down
- 1. Reaction between an acid and a base forming salt and
- 3. Point where parallel rays converge after reflection or refraction.
- 4. Red pigment in blood that transports oxygen.
- 6. Reaction that releases heat energy.
- 7. Movement of food from leaves to other parts of a plant.
- 8. Type of respiration that occurs without oxygen.
- 9. Wave-like movement that pushes food through the alimentary canal.
- 11. System: Sign convention used in ray diagrams.
- 13. Image: Image that cannot be formed on a screen.