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Final Exam

Prepare for your final exam with this comprehensive review of important science vocabulary and concepts. Learn about observation, inference, force, volume, absolute zero, climate, front, conductivity, metals, sublimation, hydroshpere, atmosphere, lithosphere, weather, Pangaea, stratus clouds, ozone layer, Mendeleev, friction, viscosity, Charles' Law, kinetic energy, chemical change, physical change, protons, neutrons, electrons, sea-floor spreading, mechanical energy, revolution, inertia, and gravity.

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Final Exam

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  1. Final Exam Review Vocabulary

  2. Observation Anything you see, hear feel, taste, touch

  3. Inference A conclusion made based on an observation.

  4. FORCE any push or pull (measured in N)

  5. VOLUME the amount of space an object occupies

  6. Absolute Zero The temperature at which all molecules stop moving -273 degrees C Or -475 degrees F

  7. CLIMATE The AVERAGE weather in a area YEAR AFTER YEAR

  8. FRONT boundary where one air mass meets another

  9. CONDUCTIVITY ability to transfer heat or electricity ... METALS ARE GOOD at this!

  10. SUBLIMATION the changing of a solid directly to a gas For ex. Dry ice and moth balls will do this…

  11. HYDROSPHERE the water layer of the Earth EX. OCEANS, LAKES,GLACIERS

  12. ATMOSPHERE the layer of air the Earth - consists of several layers T,S,M,T,E

  13. LITHOSPHERE the land layer of the Earth EX. continents

  14. WEATHER condition of the atmosphere at a particular place and time

  15. PANGAEA “super continent” - millions of years ago when all the continents were connected

  16. STRATUS flat, layered clouds usually bring rain

  17. Ozone Layer - Layer found within the stratosphere, blocks ultraviolet light O3

  18. Mendeleev • The scientist who designed the first periodic table of elements • He observed that the elements’ properties repeat in a periodic pattern as mass increases

  19. FRICTION force that opposes motion …could produce heat

  20. VISCOSITY ability of a liquid to resist flow (high ______means it will not flow)

  21. Charles’ Law States that as temperature of a gas increases, its volume increases

  22. Kinetic Energy Energy of Motion

  23. Chemical Change A change/reaction that will result in something NEW being made

  24. Physical Change A change that simply changes physical properties of a substance (phase change, cutting, breaking, coloring)

  25. PROTONS Positively charges particles in the nucleus of an atom

  26. NEUTRONS Neutrally charged particles in the nucleus of an atom

  27. ELECTRONS Tiny NEGATIVELY charged particles found outside the nucleus

  28. Sea-Floor Spreading • Process that adds to the ocean floor, moving the continents apart

  29. mechanical energy what moving objects have; this is what machines transfer from one object to another

  30. Revolution 365.25 days (time it takes the Earth to go around the Sun)

  31. Inertia Tendency of an object to stay at rest or to continue moving. (1st Law of Motion)

  32. Gravity force of attraction between objects, depends on mass and distance between the objects

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