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  • APES
    • Unit 1: Ecosystems
    • Unit 2: Biodiversity
    • Unit 3: Populations
    • Unit 4: Earth Systems and Resources
    • Unit 5: Land and Water Use
    • Unit 6: Energy Resources and Consumption
    • Unit 7: Atmospheric Pollution
    • Unit 8: Aquatic and Terrestrial Pollution
    • Unit 9: Global Change
  • CHS Environmental Science
    • Environmental Chemistry
    • Ecosystems and Population Interactions
    • Earth History and Natural Resources
    • Weather and Climate
  • Science Resources
    • Genetics >
      • Genetics Exam Review
    • Evolution
    • Chemistry
    • Physics - Motion and Forces >
      • Speed, Velocity, and Acceleration
      • Force
      • Newton's 3 Laws of Motion
      • Gravitational Force
      • Weight
      • Newton's Second Law - Finding a Net Force
      • Newton's Second Law of Motion - Finding Acceleration
      • Newton's Third Law of Motion
    • Physics - Energy and Waves
    • Astronomy
    • Next Generation Science Standards (NGSS)
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Lavoisier's Law

12/5/2017

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     We continued our exploration of the law of conservation of mass today by reading about Antoine Lavoisier, a french scientist who, along with his wife Marie-Anne, first described the law of conservation of mass, also known as Lavoisier's Law. Although a magnificent (and wealthy) scientist, Lavoisier could not escape the unrest of the French Revolution and was beheaded.
        In addition to reading, we also watched a video about the fundamental laws of chemistry that discussed Lavoisier along with many other early chemists who laid the foundation for our modern understanding of matter. 
         We finished up with some more molecular modelling. Today we made multiple molecules then "reacted" them to form new molecules. These activities are in the lab sheet attached below.
conservation_of_mass__modelling
File Size: 194 kb
File Type: pdf
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Antoine and Marie-Anne Lavoisier. The husband and wife team that first described the law of conservation of mass

Gold Tape Question

In the video today, Hank explained that Hydrogen (Row 1 on the periodic table) comes from the Greek words Hydro and Genesis (generated) which means Made From Water. Your task is to pick one element from each of the remaining rows           (rows 2-7 = 6 total elements) and figure out (and write out) how they got their names and submit that to Mr. Powell by email or in person.
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    Mr. Powell is a High School Science Teacher in Western Colorado.

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