New book ch 1, sect 1

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New book ch 1, sect 1

  1. 1. Exploring Physical Science Chapter 1, Section 1
  2. 2. Science <ul><li>A process of gathering knowledge about the natural world. </li></ul>
  3. 3. What is Physical Science? <ul><li>The study of matter and energy. </li></ul><ul><ul><li>Matter is the “stuff” that everything is made of. </li></ul></ul><ul><ul><ul><li>Shoes, pencil, air </li></ul></ul></ul><ul><ul><ul><li>Energy is the ability to do work. </li></ul></ul></ul><ul><ul><ul><ul><li>NRG is partly responsible for rainbows, but is not the rainbow itself. </li></ul></ul></ul></ul><ul><ul><ul><ul><li>All moving objects and non-moving objects have energy. </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Food has NRG that is xferred to you. </li></ul></ul></ul></ul>
  4. 4. Physical Science Branches
  5. 5. Chemistry <ul><li>Looks at the structure and properties of matter. </li></ul><ul><ul><li>Different substances behave differently under the same conditions. </li></ul></ul><ul><ul><li>Chemistry is also the study of how substances change. </li></ul></ul><ul><ul><ul><li>Chemical reaction takes place when one substance reacts w/ another substance to make a new substance. </li></ul></ul></ul>
  6. 6. Physics <ul><li>Studying different forms of NRG is what Physics is all about. </li></ul><ul><ul><li>Motion, force, gravity, electricity, light, and heat are parts of physics. </li></ul></ul><ul><ul><ul><li>Riding a bike and using your brakes </li></ul></ul></ul><ul><ul><ul><ul><li>Force causes motion </li></ul></ul></ul></ul>
  7. 7. Which of the following statements is true? <ul><li>NRG is the ability to do work. </li></ul><ul><li>Air is made of matter. </li></ul><ul><li>All matter has NRG. </li></ul><ul><li>All of the above. </li></ul>
  8. 8. What is the difference between Chemistry & Physics?
  9. 9. Answer: <ul><li>Chemistry is mainly the study of the properties and interactions of matter. Physics is mainly the study of forces and motion. </li></ul>

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