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Catching Up Chaps. 1-3

Catching Up Chaps. 1-3. Physical Science. Physical Science – the study of matter and energy All matter has energy, even if it isn’t moving E=mc 2. Chemistry – all forms of matter and how they interact. Physics – the study of energy and how it affects matter. Measurement Continued.

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Catching Up Chaps. 1-3

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  1. Catching UpChaps. 1-3 Physical Science

  2. Physical Science – the study of matter and energy • All matter has energy, even if it isn’t moving • E=mc2

  3. Chemistry – all forms of matter and how they interact • Physics – the study • of energy and how • it affects matter

  4. Measurement Continued DENSITY

  5. Archimedes Principle • The volume of liquid that is displaced is equivalent to the submerged volume. • So how do you determine the average density of the human body? • What might that tell you?

  6. Matter – anything that has both volume and mass • How do you measure the volume of a solid? • L x W X H or displacement • How do you measure the volume of a liquid? • Graduated cylinder • How do you measure the volume of a gas? • Gas are compressible • Trick question: Gases always take the volume of whatever container they are in.

  7. Mass, Weight and Gravity

  8. Mass is a Measure of Inertia

  9. Describing Matter • Physical Properties • Chemical Properties

  10. Physical properties • density

  11. Chemical Properties

  12. Solid - • Liquid - • Gas - • Plasma -

  13. 2 Types of Solids • Crystalline • Amorphous

  14. Liquid Shape Changers • Liquids change shape but not volume • Hydraulics • Surface tension • viscosity

  15. Gasses Change both Shape and Volume • Pressure • Boyle’s Law • Charles’ Law

  16. Plasmas • Aurora borealis

  17. Changes of State • What happens to energy during a change of state? • Endothermic Reaction – • Exothermic Reaction -

  18. Melting • Solid to liquid • Absorbing energy Freezing • Liquid to Solid • Removing Energy

  19. Vaporization • What is Boiling? • Evaporation • Energy • Pressure affects on Boiling Point Condensation • Energy

  20. Sublimination • Solid directly to Gas

  21. Temperature Change vs. Change of State

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