2Engage: Warm UpGraph the following information to the best of your ability. Remember… where does the dependent variable go? Where does the independent go? A student is observing how tall a plant will grow in different amounts of light. This is what they found after letting the plants grow for 3 weeks: Plant in the window: 10 inches Plant sitting near lamp: 8 inches Plant sitting inside of a drawer: 3 inches
3CO2 + H2O + Sun Light Carbohydrates + O2 Photosynthesis “photo” = light “synthesis” = to put togetherCO2 + H2O + Sun LightGives youCarbohydrates + O2
149. What gas is RELEASED during photosynthesis? Oxygen (O2)Oxygen leaves the plant and humans and animals breathe it in!
1510. Draw out what photosynthesis looks like …. What goes in 10. Draw out what photosynthesis looks like …. What goes in? What comes out?Walk around to check on the student’s ability to follow the notes to fill in their own picture.
16CO2 + H2O + + O2 11. Does photosynthesis release or absorb energy? LightEnergy!CO2 + H2O +Carbohydrates(glucose)+ O2
17Photosynthesis absorbs energy from the sun. + O2 11. Does photosynthesis release or absorb energy?LightEnergy!CO2 + H2O +Photosynthesis absorbs energy from the sun.Carbohydrates(glucose)+ O2
18CO2 + H2O + Sun Light CO2 + H2O + Sun Light Carbohydrates + O2 12. What 3 Factors affect the rate of photosynthesis?“photo” = light “synthesis” = to put togetherCO2 + H2O + Sun LightGives youCO2 + H2O + Sun LightCarbohydrates + O2
1913. Where does carbon dioxide (CO 2) come from? Humans (and other organisms) breathe in oxygen and release carbon dioxide.Before question goes up allow students to talk about this picture…What is this picture showing?Is this CO2 helping or hurting the plant?It is helping as plants use CO2 to do photosynthesis.CO2CO2CO2CO2
2014. What is the difference between a heterotroph and autotroph? Heterotrophy are consumers who survive off of plants.Autotrophs are plants that make their own energy.
2115. What organisms release carbon dioxide? (Heterotrophs) Humans… Dogs… Cats… Fish… Insects… And the list goes on…
2216. What organisms release oxygen? “Autotrophs” (Plants!!) Flowers… Grass… Trees… Shrubs… And the list goes on…
24Marine Environment Connection Submerged Aquatic Vegetation Do you know what SUBMERGED AQUATIC VEGETATION is?Try common sense…Video on Baltimore Citizens and the Chesapeake Bay.NOW YOU KNOW!
25Marine Environment Connection Submerged Aquatic Vegetation Video on the importance of Bay grasses.Why are Bay grasses important?SAV PLANTS
26Marine Environment Connection Submerged Aquatic Vegetation Video on secchi disc and water clarity.How is the secchi disc used? Why is water clarity important to the process of photosynthesis?SECCHI DISC
27Station 1-What is wrong with this picture? How are the SAV plants an indicator of good health in the Bay?
28Station 2-What is GOOD about this picture? How is the reading on this sacchi disk? Explain how this will affect SAV plants.
29Station 3-What is wrong with this picture? How is the reading on this sacchi disk? Explain how this will affect SAV plants.
30Station 4-What is happening with this picture? Compare these two pictures. Which reading would be more advantageous for SAV plants? Why?
32Exit Quiz Drill: 1) Write the formula for photosynthesis. Hint: ______ + _______ + ______ _______ + _______2) In the formula you wrote for #1, CIRCLE the 2 energy sources, UNDERLINE the 2 gases, and put a BOX around the liquid.