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  • 1. Nature of science<br />Chapter 1<br />
  • 2. Bellringer<br />Think of five questions about the natural world.<br />Write your responses in your science journal.<br />
  • 3. Objectives<br /><ul><li>Describe similarities and differences between science disciplines.
  • 4. Describethree methods of investigation.
  • 5. Identify some benefits of science.
  • 6. Describehow scientific knowledge may be modified.
  • 7. Describe five jobs that use or contribute to science.</li></li></ul><li>Start with a Question<br /><ul><li>Science</li></ul>is the knowledge gained by observing the natural world. Asking questions can help you gather knowledge.<br /><ul><li>In Your Own NeighborhoodWhat questions can you ask about your surroundings?
  • 8. The World and BeyondWhat questions can you ask about deserts, forests, or beaches? What type of plants and animals live in each of these places?</li></li></ul><li>Investigation: The Search for Answers<br /><ul><li>Research Look up information in textbooks, encyclopedias, and magazines. Search the Internet.
  • 9. Observation Take a look around to find answers to your question. Watch your subject.
  • 10. Experimentation Try an experiment to learn the answers to your question. Test your hypothesis.</li></li></ul><li>Why Ask Questions?<br /><ul><li>Fighting DiseasesScience has led to many life-saving discoveries, such as the vaccination for polio.
  • 11. Answering Society’s QuestionsScience develops different technologies to address our problems, such as reducing the threat of a polluted environment.</li></li></ul><li>Why Ask Questions?, continuedSavingResourcesScience has helped us make our natural resources last longer and to plan ahead so that resources are not used up.<br />
  • 12. Why Ask Questions?, continued<br /><ul><li>Answering Society’s Questions Sometimes, society faces questions that do not seem to have immediate answers. Scientific research often leads to the answers to those questions.
  • 13. Advancing Scientific KnowledgeAsking questions also leads to changes or modifications in scientific knowledge. As scientists do research to answer questions, they may find new information that challenges prevailing scientific theories.</li></li></ul><li>Scientists All Around You<br /><ul><li>ZoologistA person who studies the lives and needs of animals.
  • 14. Geochemist A person who specializes in the chemistry of rocks, minerals, and soil.
  • 15. Mechanic A person who uses science to solve problems with machines.</li></li></ul><li>Scientists All Around You, continued<br /><ul><li>Oceanographer A person who studies the ocean, including waves, currents, plants, animals, and the ocean floor.
  • 16. VolcanologistA person who studies one of Earth’s most interesting processes—volcanoes.</li>

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