Vocab Homework
Across
- 1. heat
- 2. four
- 5. a base or alcohol containing four hydroxyl groups
- 7. any plant that turns toward the sun
- 8. earth
- 9. an instrument for measuring temperature
- 12. having a valence of four
- 13. the topographical features of a region, usually of the earth, sometimes of the planets.
- 14. a vacuum bottle or similar container lined with an insulating material, such as polystyrene, to keep liquids hot or cold.
- 15. a device for signaling by means of a movable mirror that reflects beams of light, especially sunlight, to a distance
- 17. the branch of mathematics that deals with the deduction of the properties, measurement, and relationships of points, lines, angles, and figures in space from their defining conditions by means of certain assumed properties of space.
- 19. a printing process in which an impression is taken in ink from a gelatine surface that has been exposed under a negative and prepared for printing
Down
- 1. having a chromosome number that is four times the basic or haploid number
- 3. an instrument for measuring the amount of acid in a solution
- 4. an instrument for measuring fluorescence
- 5. a layer of water in an ocean or certain lakes, where the temperature gradient is greater than that of the warmer layer above and the colder layer below
- 6. a device for measuring mechanical force, as a balance
- 7. having or representing the sun as a center
- 9. growing best in a warm environment
- 10. measure
- 11. having or representing the earth as a center
- 12. a solid contained by four plane faces
- 16. pertaining to the geometry of curved surfaces
- 18. pertaining to the metric system