2. ASSIGNMENT LOG #1
Check Date Date Name of Assignment Possible Earned
Off Given Due Pts. Pts.
8/30 9/4 Tools of the Trade 125/10
9/4 9/5 Measurements and Dealing 35
with Data
9/5 9/6 70
Interactive Reader Pgs 28-
33 – Highlight, Sidebars and
Question 1-5
9/6 9/12 Biotech Lab – Independent 165/5
& Dependent Variables
3. BIOTECHNOLOGY VIRTUAL LAB
DEPENDENT AND INDEPENDENT
VA R I A B L E S
Scientists use an experiment to search for
cause and effect relationships in nature. In
other words, they design an experiment so
that changes to one item cause
something else to change in a
predictable way.
These changing qualities are called
variables.
An experiment usually has three kinds of
4. BIOTECHNOLOGY VIRTUAL LAB
DEPENDENT AND INDEPENDENT
VA R I A B L E S
Scientists focus their observations on the
dependent variables to see how it responds to
the change made to the independent variable.
The change of the dependent variable is
caused by and depends on the value of the
independent variable.
Controlled variables are factors that a
scientist want to remain constant (the same).
They are used to compare the depended
variable’s changes in the experiment and keep
the tests fair.
5. BIOTECHNOLOGY VIRTUAL LAB
LET’S
T RY:
Underline the Independent Variable. (What I
change)
Circle the Dependent Variable. (What I see
respond)
1. The price of gas determines how
much I will purchase.
6. BIOTECHNOLOGY VIRTUAL LAB
LET’S
T RY:
Underline the Independent Variable. (What I
change)
Circle the Dependent Variable. (What I see
respond)
2. If I do not want to gain weight, the
amount of exercise I need to do is a
results of how much I eat.
7. BIOTECHNOLOGY VIRTUAL LAB
LET’S
T RY:
Underline the Independent Variable. (What I
change)
Circle the Dependent Variable. (What I see
respond)
3. To finish your math assignment in 30
minutes you must answer one problem every 6
minutes.
9. BIOTECHNOLOGY VIRTUAL LAB
(CORNELL NOTES)
Topic: Name
BioTech Virtual Lab Class
Period
Date
EBC -European Corn Borer
Yield -Amount of crop production
Infestation -Overrun with pests and parasites
Independent Variable -Level of ECB Infestation
Growing Conditions for - Soil, nutrients, watering amounts, light, heat,
weather will
Corn remain constant
Dependent Variable -Yield of the corn plant in terms of kernel mass per
each
corn type (Bt123, Super Harvest-non Bt crop;
Bt456,
Golden Crop (non-Bt crop)
10. BIOTECHNOLOGY VIRTUAL LAB
1. USE YOUR ASSIGNED COMPUTER
2 . M AY W O R K W I T H A PA R T N E R AT Y O U R
TA B L E O R A L O N E
11. BIOTECHNOLOGY VIRTUAL LAB
COLLECT YOUR
D ATA
Experiment #1
•Click and Drag Seed Variety BT 123 into both containers
•In the left container allow no ECB
•In the right container infest it with LOW ECB
•Grow the Corn (140 days)
•Click and drag each ear on each plant to the weighing dish.
•Drag the weighing dish on to the balance. Read and record the mass on the data
table.
•Calculate the average for each infestation level.
•Reset Experiment Chambers when done.
ECB Level Mass of 1st ear Mass of 2nd ear Mass of 1st ear Average (show work)
None Add all three together.
Divide by 3 for average.
Low
12. BIOTECHNOLOGY VIRTUAL LAB
COLLECT YOUR
D ATA
• There are 8 different data collection tests.
• Continue until all Data is Collected.
ECB Level Mass of 1st ear Mass of 2nd ear Mass of 1st ear Average (show work)
None
Low
