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7 Written questions

6 Multiple choice questions

  1. a series of problem-solving procedures that help scientists conduct experiments
  2. study of Earth's oceans including the creatures that inhabit its waters, its physical and chemical properties, and the effects of human activities
  3. an explanation based on many observations during repeated experiments; valid only if consistent with observations, can be used to make testable predictions, and is the simplest explanation; can be changed or modified with the discovery of new data
  4. study of materials that make up Earth and the processes that form and change these materials, and the history of the planet and its life-forms since its origin
  5. a testable explanation of a situation
  6. study of objects beyond Earth's atmosphere

6 True/False questions

  1. controlstudy of objects beyond Earth's atmosphere


  2. hydrosphereall the water in Earth's oceans, lakes, seas, rivers, and glaciers plus all the water in the atmosphere


  3. geospherethe part of Earth from its surface to its center


  4. scientific modelan idea, a system, or a mathematical expression that represents the idea being explained


  5. atmosphereblanket of gases surrounding Earth that contains about 78 percent nitrogen, 21 percent oxygen, and 1 percent other gases such as argon, carbon dioxide, and water vapor


  6. biospherethe part of Earth from its surface to its center


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