Prelab Beet Membranes Follow the instructions on your

Prelab: Beet Membranes • Follow the instructions on your paper • Be prepared to whiteboard about your observations

WHITEBOARDS 1. Draw cells before & after salt solution 2. Differences between original cells & demo cells 3. Answer question 4 from the instructions

Design Experiment • • Research the problem Choose an independent variable that will affect the outcome Notes should be in your lab notebook to indicate why this variable will have an effect on the dependent variable • – • Resources should be cited Create a focused research question and hypothesis statement

Design Experiment • • Identify independent variable and levels Identify how many trials for each How will you measure the dependent variable? What other variables need to be kept constant?

Design Experiment • • Write the methods with explicit reference to how control of variables will be achieved Sufficient relevant data (Remember 5 X 5) Don’t forget the control group Diagram of lab setup – annotate to show variables will be instituted, especially controlled variables

Beet Lab • Research Plan: – Background research with citations – Focused research question on the effect of stress on the cell membranes of beets – Hypothesis statement – Levels of IV with explanation of choice – DV – Constants – Complete methods – Premade data tables for data collection

Beet Lab • You must have explanation for your choice of independent variable in your log book • This information should include reputable reference(s) – NO Wikipedia or the like! • The research question should be written on the signup sheet on Tuesday, August 19 th – First come first served!!! • A research plan should be typed and submitted on Monday, August 25 th • The lab will be conducted on August 27 th – NOTE: You need to purchase your own beets