bio-process lab (b) 2015 bio-process lab (b) 2015 karen lancour national committee chair-life...
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BIO-PROCESS LAB (B) 2015
KAREN LANCOURNational Committee Chair-Life
Science Bio-Process Lab National Supervisor
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Event Rules – 2015
DISCLAIMERThis presentation was prepared using draft rules. There may be some changes in the final copy of the rules. The rules which will be in your Coaches Manual and Student Manuals will be the official rules.
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Event Rules – 2015
BE SURE TO CHECK THE 2015 EVENT RULES FOR EVENT PARAMETERS AND TOPICS FOR EACH COMPETITION LEVEL
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TRAINING MATERIALS Training Power Point – content overview Training Handout - content information Practice Activities - sample stations with key Sample Tournament – sample problems with
key Event Supervisor Guide – prep tips, event
needs, and scoring tips Internet Resource & Training CD’s – on the
Science Olympiad website at www.soinc.org under Event Information
Biology-Earth Science CD, Bio-Process Lab CD (updated 2015) in Science Olympiad Store at www.soinc.org
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Bio-Process Lab (B)
Event Description - lab-oriented competition involving the fundamental science processes of a middle school biology lab program
Event – lab practical in stations Event Parameters – be sure to
check the rules for resources allowed, type of goggles needed.
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Basic Science Process Skills
Observing Measuring Inferring Classifying Predicting Communicating
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Integrated Science Process Skills
Formulating Hypothesis Identifying Variables Defining Variables Operationally Describing Relationships Between
Variables Designing Investigations Experimenting Acquiring Data Analyzing Investigations and Their Data Understanding Cause and Effect
Relationships Formulating Models
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GAME PLAN POWERPOINT FOR OVERVIEW HANDOUT FOR DETAIL OF INFORMATION
NEEDED INTERNET RESOURCES AND CD FOR
MORE HELP PRACTICE ACTIVITIES TO MASTER
SKILLS SAMPLE COMPETITION UNDER TIMED
CONDITIONS TO EXPERIENCE COMPETITION SITUATION
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Student Preparation
Team work skills Time limits Answering questions Measurement and Calculations Reference materials Practice using labs and lab
manuals Construct sample stations
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Compound Microscope
Parts Making wet mount Appearance of
objects Movement of
objects Magnification Changing objects Estimating size of
objects Field diameter &
area
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Principles of Microscopy
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Measuring objects
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Stereomicroscope Parts Appearance of
objects Magnification Advantages Uses Observing
objects
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Electronic Balance
Capacity Units Tare or Zero Err Using the Balance Advantages &
Disadvantages
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Triple Beam Balance
Capacity – auxillary weights
Units – numbered and unnumbered increments
Tare Using the Balance Advantages &
Disadvantages
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Measuring Liquids
Meniscus – read bottom
Capacity and Range Graduations –
numbered and unnumbered increments
Readability Making
measurements Estimating
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Metric ruler and calipers
Capacity and Range
Numbered and unnumbered increments
cm vs mm Uses of each Making
measurements Estimating Vernier Scale
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Thermometers
Capacity and Range
Do not start at zero
Numbered and unnumbered increments
Uses of each Making
measurements Estimating
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Probes
Graphing calculator
Easy link or CBL Probe Collect data onto
calculator Transfer data to
computer Graph analysis Quick data
collection
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Data Presentation and Analysis- Data Tables
Format Title Units of
measurement
Numbering Tables
Source
Leg (thigh) Length (cm)
Time of 40 yard dash (sec)
24 9
31 9.2
37 11
38 10
39 8.2
42 8.4
55 9.3
62 9
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Data Presentation and Analysis-
Graphs Graph – types X vs Y axis Scaling axis Plotting points Human Error Curve or best fit
line Labeling
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Human Mistakes vs. Experimental Errors
Human Mistakes – carelessness Experimental Error –
instrument variation or technique
Random Error – chance variation
Systematic Error – system used for designing or conducting experiment
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A Sample Dichotomous Key
1. wings covered by an exoskeleton . . . . . . go to step 2 1. wings not covered by an exoskeleton. . . . go to step 3
2 body has a round shape. . . . . . . . ladybug 2 body has an elongated shape. . . . . .grasshopper
3.wings point out from the side of the body . . dragonfly3 wings point to the posterior of the body.. . . . Housefly
Note: There should be one less step than the total number of organisms to be identified in your dichotomous key.
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Sample Stations – Population Density
Measure sample area Determine population density for symbols Assign an organism to symbols Form a food chain Evaluate sample – predict techniques, etc.
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Sample Station – Dichotomous Key
Have specimens of leaves Formulate a key or use a key to identify
specimens
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Sample Station - Measurement
Identify range, capacity, incrementation Do measurement – estimate last digit
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Sample Station – Experiment Analysis
Analyze the design of the experiment Identify variables Explain results – form conclusions
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Sample Station – Microscopy
Determine the diameter of the field and the length of one cell in mm and convert to mcm.
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Sample Station – Data Analysis
Making hypotheses
Food web analysis
Eating habit analysis
Predictions and conclusions
Inferences
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Sample Station – pH
Determine the pH of various solutions using either pH probe or pH test papers.