Block

In What are similarities between photosynthesis and cellular respiration?

What are differences between photosynthesis and cellular respiration?

What are the reactants and products for each process?

Block

Through Concept Map Lab prep

OUTCellular Respiration worksheet

Releasing Energy

Releasing Energy

Starch

Maltose

GlucoseADP

ATP

Amylase

Cellular Respiration

Using light energy to build matter

With your group develop a list of 3 variables that could affect the rate of photosynthesis.

1. __________2. __________3. __________

Hypothesis

If we increase the amount of CO2 to a plant and light to the environment, then _______ _______________________________

Procedure

1. Obtain a sprig of Elodea2. Remove a few leaves from the cut end.

3. Fill test tube halfway

4. Gently slide plant into test tube, top side down.

5. Add water until Elodea is completely submersed.

6. Place test tube into test tube rack.

7. Place 75 watt lamp 5cm from heat sink.

8. Turn lamp on for 2 minutes. 9. Begin counting the number of oxygen

bubbles for 3 minutes.

10. Run a second three-minute trial. Record results and average.

11. Turn lamp off and move it back so it is 20 cm from plant.

12. After 2 minutes, turn lamp on and record bubbles for two three-minute trials.

13. Record results and average. 14. Discard water and use water with

dissolved sodium bicarbonate. sodium bicarbonate sodium carbonate + water +

carbon dioxide

15. Count bubbles for two 3 minute trials.

16. Record results and average.17. Graph results

Observations and Data Table

Number bubbles

of Oxygen

Trial 1 (3min)

Trial 2 (3 min)

Average

Lamp 5 cm from plant

Lamp 20 cm from plant

Lamp 5 cm away with CO2

Graphs

Complete a graph for this experimentGroups on the X-(5cm, 20 cm, 5 cm with CO2

Number of bubbles on the Y

Conclusion

Write a conclusion for this labWas your hypothesis correct?What does your data show?What was the most important learning component from this lab?