Chapter 1 Vocabulary

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Across
  1. 4. the study of the forces and processes that cause the atmosphere to change and produce weather
  2. 5. blanket of gases that surrounds our planet
  3. 7. Variable a factor that is affected by changes in the independent variable
  4. 9. the study of Earth's oceans
  5. 11. the study of the materials that make up Earth and the processes that form and change these materials
  6. 12. region of permanently frozen water on Earth
  7. 14. Method series of problem-solving steps to help conduct experiments
  8. 15. Variable the factor that is changed by the experimenter
  9. 18. the study of objects beyond Earth's atmosphere
Down
  1. 1. all the water on Earth
  2. 2. the area from the surface of Earth down to its center
  3. 3. all living organisms on Earth as well the environments in which they live
  4. 6. Model an idea picture, a system, or mathematical expression that represents the concept being explained
  5. 8. Law describes the behavior of a natural phenomenon.
  6. 10. a testable explanation or educated guess that can be supported or disproved
  7. 13. Theory an explanation based on many observations during repeated investigations
  8. 16. Science the study of the interactions of organisms and their surroundings
  9. 17. used in an experiment to show that the results of an experiment are a result of the condition being tested