Unit 9 - Every breath you take

Content

• The atmosphere, its contents and pressure, SI units.
• The physical properties of gases related to the kinetic theory.
• The gas laws, Boyle's, Charles', Avogadro's
• The mechanism of breathing in land vertebrates, fish and invertebrates
• The mechanism of gas exchange.
• The acid-base nature of metal and non-metal oxides
• Atmospheric pollution
• The effect of increase carbon dioxide content in the air on the oceanic habitat
• The rate of chemical reactions.

Skills and understanding

• Describe gas exchange in vertebrates and invertebrates
• Predict the acid-base nature of oxides using the periodic table
• Use the gas law equations to solve simple problems
• Describe the Greenhouse effect.
• Determine the rate of gas evolution.

Unit 9 - Physical Science Extension

Content

• Separating the components of air
• Avogadro's law
• Pressure, density, altitude and buoyancy
• The ideal gas law
• Sulfur and nitrogen
• Incomplete combustion & PM
• Measuring reaction rates

Unit 9 - Life Science Extension

Content

• Moles of gas
• Avogadro's law
• The ideal gas law
• Making a lung model (homemade bell jar)
• Respiratory diseases
• Oxygenation levels during exercise
• SA:V ratio – potato cubes – mass change
• Precipitate reactions (hemoglobin/horseshoe crab)