Slide 1:Living Environment,


Slide 2:Topics to be Covered: Basic Chemistry Atoms, Bonds, Polarity, pH Organic Chemistry Carbohydrates, Lipids, Proteins, Nucleic Acid Cell Organelles Plant vs. Animal Cell Cellular Respiration Photosynthesis Enzymes Cell Membrane Transport Diffusion, Osmosis and Active Transport Cellular Communication Mitosis


Slide 3:Lesson #1 – Basic Chemistry Objective: Discuss basic properties of atoms in order to understand the chemistry of life.


Slide 4:Basic Chemistry Atom = basic unit of matter ______ = positive charged particle _______ = neutral charged particle ________ = negative charged particle Most atoms are neutral # protons = # electrons


Slide 5:Periodic Table of Elements


Slide 6:Reading the Periodic Table Element Name = name of the element Element S_____ = abbreviation for an element Atomic n_____ = number of protons Atomic W_____ (amu) = protons + neutrons (electrons have negligible weight)


Slide 7:Group Activity Using the periodic table, determine the element symbol, atomic number and atomic weight of the element assigned to your group Table 1 = H_______ Table 2 = N_______ Table 3 = O_____ Table 4 = Sodium Table 5 = Chloride


Slide 8:Bonding H_______ Bonding = weak attraction between hydrogen atoms. I____ Bonding = transfer of electron(s) from one atom to another; results in positive and negative charged particles called ions (i.e. NaCl) C_______ Bonding = sharing of electrons


Slide 9:Covalent Bonding Covalent Bonding = two or more atoms share electrons Nonpolar = equal sharing of electrons _____ = unequal sharing of electrons (i.e. Water)


Slide 10:Special Properties of Water Water Molecules Water and NaCl Solution


Slide 11:Solutions Solution = a homogeneous mixture S_____= the substance dissolved Solvent = the substance in which the solute is dissolved (usually W____)


Slide 12:pH The pH scale is used to measure concentration of __ ions in a solution. Water molecules can react to form ions: H2O H+ + OH- Amount of H+ > OH- then pH is less than _ Amount of H+ < OH- then pH is greater than _


Slide 13:Lesson #2 – Organic Chemistry Objective: Describe the function of the four major organic compounds found in all living things using a graphic organizer.


Slide 14:Organic vs. Inorganic Molecules Organic – Contains both _ and _ Inorganic – Doesn’t contain both C and H Examples: Carbohydrates (Sugars) Lipids (Fats) Proteins Nucleic Acid (RNA, DNA) Examples: Water (H2O) Carbon Dioxide (CO2) Oxygen (O2) Salts (i.e. NaCl) Minerals


Slide 15:Four Organic Compounds Carbohydrates Lipids (Fats) Proteins Nucleic Acid


Slide 16:Group Activity Create a graphic organizer, using the template below as a starting point, in order to organize important information regarding the four major organic molecules. Include (minimally): What is the molecule made of? What is its function(s)? Examples (general or specific)