5 ATTRIBUTE CONCLUSIONPRETEST TO SUMMATIVE

5 ATTRIBUTE CONCLUSION

• CONCLUSIVE STATEMENT 1. DID THE EXPERIMENT ANSWER THE QUESTION?(1 POINT) 

• SUPPORTING DATA 2. WHAT ARE THE SUPPORTING DATA (HIGH AND LOW)

(2 POINTS) CAN BE DESCRIBED QUALITATIVELY (HIGHEST GROWTH TO LOWEST GROWTH) • EXPLANATORY STATEMENT 3. EXPLAIN HOW THE DATA SHOW SUPPORT FOR YOUR (1 POINT) HYPOTHESIS (MAY BE SUPPORTED, NOT SUPPORTED OR CONTRADICTED) • SCIENTIFIC EXPLANATION 4. EXPLAIN THE RESULTS SCIENTIFICALLY. WHY DID THESE RESULTS

OCCUR?(1 POINT)

PRETEST AND PRACTICE• PRETEST: GIARDIA CYSTS

WHAT IS THE EFFECT OF TEMPERATURE ON GIARDIA CYSTS?• SNAIL AND ELODEA

HOW DO SNAIL AND ELODEA USE CARBON DIOXIDE IN THE LIGHT AND DARK?• PINEAPPLE ENZYMES

WHAT EFFECT DO THE ENZYMES IN FRESH AND CANNED PINEAPPLE HAVE ON GELATIN?• SOIL WATER RETENTION (ABSORPTION)

WHICH TYPE OF SOIL RETAINS, (ABSORBS), THE MOST WATER?CHECK YOUR CONCLUSION WITH THE EXPECTED ONE

Conclusion for Guarding against Giardia The experiment focused on the question about the effect of temperature on the survival Giardia cysts. The surviving Giardia cysts seemed to respond to temperature changes.1 The average number of Giardia cysts was 20 at 22o C.2 As the temperature increased to 40oC and 50oC, the average number dropped dramatically to 2 and 1, respectively. At 100oC, no Giardia cysts could survive.3 This shows that as the temperature increased the number of surviving Giardia decreased. The hypothesis that if the temperature of water increases the number of surviving Giardia cysts will decrease was supported by the experiment.4 The Giardia, as with all living organisms have an optimal temperature for survival and as temperatures depart from this optimum, living organisms, including Giardia function less well and at extremes cannot even survive.5

• SNAIL & ELODEA CONCLUSION

WRITE A CONCLUSION FOR HYPOTHESIS #1 & 3. IN YOUR CONCLUSION, BE SURE TO:• ANSWER THE EXPERIMENTAL QUESTION• INCLUDE SUPPORTING DATA FROM THE SNAIL & ELODEA LAB• EXPLAIN HOW THESE DATA SUPPORT YOUR CONCLUSION• PROVIDE A SCIENTIFIC EXPLANATION FOR THE TREND IN THE DATA

The experimental questions asked if the snail gave off (exhaled) carbon

dioxide and, if so, does

elodea take in (inhale) that carbon dioxide in the light. The snail did

exhale carbon dioxide

and the elodea inhaled it. The setup with the snail in blue BTB solution in

the light turned

yellow after 24 hours. The setup with the snail and elodea in blue BTB

solution and in the

light did not change color. The control setup in the light with no

organisms stayed blue.

Carbon dioxide changes BTB from blue to yellow. The only difference

between the control

and experimental setups was the existence of organisms. So, the cause

of the change would

have to be the organisms. The snail exhaled carbon dioxide and the

elodea inhaled it.

The snail exhales (gives off) carbon dioxide as a result of cellular

respiration.

It does this in the light. The elodea inhales (takes in) carbon dioxide to

use in the process of

photosynthesis which occurs in the light.

Pineapple Enzyme Lab5 Attribute Conclusion

Conclusion: The 5 main attributes are (these come from the EOC)

Conclusive Statement 1. Did the experiment answer the question?(1 point)Supporting Data 2. What are the supporting data (high and low)(2 points) can be described qualitatively (highest growth to lowest growth)Explanatory Statement 3. Explain how the data show support for your (1 point) hypothesis (may be, supported, not supported or contradicted)Scientific Explanation 4. Explain the results scientifically. Why did these results occur?(1 point) The testable question asked about the action of pineapple enzymes on gelatin. The question also considered the presence and absence of enzymes in fresh and canned pineapple, respectively. The activity of enzymes was shown by the results of setup of gelatin in the experimental and control groups. The validity of the experiment was tested with the control which had no enzymes. The fresh pineapple gelatin remained liquid while the canned pineapple setup to a semi solid and the control completely setup, became semi solid. This occurred in all the team trials. The hypothesis was supported since the prediction was that since the fresh pineapple contained viable enzymes, the gelatin would not setup, i.e. not become semi solid as gelatin normally does. The fresh pineapple had many enzymes that digested the collagen protein of gelatin while the canned pineapple enzymes had been mostly destroyed by processing and the control had no enzymes. This suggests that it would be better to use canned pineapple then fresh for a gelatin dessert. It also indicates that following a protein meal, it would be a good idea to eat pineapple to help digest

Soil Water Retention

Question: What is the best kind of material for absorbing water?Hypothesis: Dark organic material will absorb the best Data:Material (kind of soil) Water Added (ml) Water Released (ml) Water Absorbed (ml)

Organic Soil 100 88 12Fine Grained Sand 100 37

63Coarse Gravel 100 80

20

The experimental question regarding the best absorbing material, or soil, was answered. The different types of soil absorbed different amounts of water. The organic soil absorbed the least at 12 ml. The fine grained sand absorbed the most water at 63 ml. The hypothesis that dark organic material would absorb or retain the most water was contradicted. It absorbed the least amount of water. Fine grained sand absorbed the most water. The organic soil contains mica. This substance allows water to just pass by and not absorb.

FINAL PRACTICE

• WATCH:BIOLOGY END OF COURSE ASSESSMENT WRITING CONCLUSIONS PODCAST

• REVIEW: FOAMING SPUDS EXPERIMENT• WRITE:5 ATTRIBUTE CONCLUSION• CHECK: CONCLUSION WITH EXAMPLES• SCORE: DETERMINE YOUR SCORE WITH ALL ATTRIBUTES & RECORDTOMORROW: 5 ATTRIBUTE CONCLUSION SUMMATIVE TEST

5 ATTRIBUTE CONCLUSION• OBJECTIVES: CHECK AND COMMUNICATE YOUR SCORE ON THE FOAMING SPUDS

CONCLUSION. WRITE A PERFECT SUMMATIVE CONCLUSION.

REVIEW YOUR CONCLUSION WITH THE CONCLUSION PODCAST

SCORE YOUR FOAMING SPUDS CONCLUSION WITH THE RUBRIC AND SUBMIT THE RUBRICASSESSMENT: SUMMATIVE 5 ATTRIBUTE CONCLUSION

USE: INVESTIGATING THE EFFECT OF TEMPERATURE ON CATALASE ENZYME REACTION RATES

5 ATTRIBUTE CONCLUSION ASSESSMENT -THE EFFECT OF TEMPERATURE ON CATALASE ENZYME REACTION RATES-

CORRECT YOUR CONCLUSION CONSIDERING THE FOLLOWING:

QUESTION:WHAT IS THE EFFECT OF TEMPERATURE ON CATALASE ENZYME REACTION

RATES?HYPOTHESIS: IF A CATALASE SOLUTION IS HEATED, THEN IT WILL PRODUCE THE GREATEST AMOUNT OF OXYGEN AT THE HIGHEST TEMPERATURES, BECAUSE HIGHER TEMPERATURES INCREASE REACTION RATES AS PARTICLES COLLIDE MORE FREQUENTLY (PREDICTION), (HYPOTHESIS)ATTRIBUTE #4: DO NOT WRITE: “THIS SUPPORTS OR DOES NOT SUPPORT OR CONTRADICTS MY CONCLUSION. THE DATA SUPPORTS, NOT SUPPORTS, OR CONTRADICTS THE HYPOTHESIS OR PREDICTION.ATTRIBUTE #5: THE SCIENTIFIC EXPLANATION HAS TO INDICATE WHAT IS HAPPENING TO THE CATALASE ENZYME AS A RESULT OF TEMPERATURE THAT WOULD CAUSE THE REACTION RATE TO DECREASE.

EFFECT OF TEMPERATURE ON CATALASE ENZYME REACTIONS5 ATTRIBUTE CONCLUSION

NOTES:• REACTIONS INCLUDE REACTANTS AND PRODUCTS AND SOMETIMES

CATALYSTS• ENZYMES ARE CATALYSTS. • SOLUTIONS THAT INCLUDE ENZYMES (CATALYSTS) ARE CATALASE

SOLUTIONS. • THE CATALYSTS ACT ON THE SUBSTRATE. • THE REACTANT IS HYDROGEN PEROXIDE, AKA, THE SUBSTRATE, WHICH

DECOMPOSES TO THE PRODUCTS WATER AND OXYGEN. • THE LETTUCE CATALASE ENZYME SPEEDS THE REACTION.• IF THE ENZYME IS DENATURED BY EXTREME TEMPERATURE OR PH OR

POISON, THEN IT WILL NOT ASSIST IN THE REACTION THE RATE WILL DECREASE AND LESS PRODUCT WILL BE PRODUCED.