Vocabulary test 1

1234567891011121314151617181920212223
Across
  1. 5. in an experiment, the factor that is deliberately manipulated
  2. 8. the scientific study of the universe
  3. 10. an idea or explanation that is based on observations and that can be tested
  4. 14. a mixture of gases that surrounds a planet, such as Earth
  5. 15. the uppermost layer of the atmosphere, in which temperature increases as altitude increases; includes the ionosphere
  6. 16. the process of obtaining information by using the senses
  7. 18. the warming of the surface and lower atmosphere of Earth that occurs when carbon dioxide, water vapor, and other gases in the air absorb and reradiate infrared radiation
  8. 20. in an experiment, the factor that changes as a result of manipulation of one or more other factors
  9. 21. the coldest layer of the atmosphere, between the stratosphere and the thermosphere, in which temperature decreases as altitude increases
  10. 23. contains the ozone layer
Down
  1. 1. the force per unit area that is exerted on a surface by the weight of the atmosphere
  2. 2. a gas molecule that is made up of three oxygen atoms
  3. 3. the movement of matter due to differences in density that are caused by temperature variations; can result in the transfer of energy as heat
  4. 4. the transfer of energy as heat through a material
  5. 6. the scientific study of Earth and the universe around it
  6. 7. the explanation for some phenomenon that is based on observation, experimentation, and reasoning; that is supported by a large quantity of evidence; that does not conflict with any existing experimental results or observations
  7. 9. the scientific study of Earth’s atmosphere, especially in relation to weather and climate
  8. 11. the part of the atmosphere where weather conditions exist
  9. 12. all of the frequencies or wavelengths of electromagnetic radiation
  10. 13. the process in which experts in a given field examine the results and conclusions of a scientist’s study before that study is accepted for publication
  11. 17. the fraction of solar radiation that is reflected off the surface of an object
  12. 19. the scientific study of the origin, history, and structure of Earth and the processes that shape Earth
  13. 22. the scientific study of the ocean, including the properties and movements of ocean water, the characteristics of the ocean floor, and the organisms that live in the ocean