Learn about lab safety, scientific methods, diffusion and osmosis, acids, bases and how to prepare buffers.
High School
University / College
In the Introductory lab, you will learn about acids and bases, the concepts of diffusion and osmosis, and blood typing. Try out this lab and become an expert in risk evaluation in the laboratory!
Learn about acids and bases
Your first task is to mix acid/base with water. Watch a 3D animation to see how it dissociates to produce [H3O+] or [OH-]. You will learn how to calculate pH depending on if it is a strong acid/base or a weak acid/base. You will be introduced to the concept of acid dissociation constant (Ka) and base dissociation constant (Kb).
Diffusion and osmosis
Diffusion and osmosis are two fundamental concepts in biotechnology that are also important in daily life. In the Introductory lab, you will learn the difference between diffusion and osmosis. Observe under the microscope how cells adapt to hypotonic or hypertonic environments based on the principle of osmosis. You will learn that environments are dynamic by e.g. seeing that cells that are already swollen can be reverted back to normal by adding hypertonic solution.
Conduct a blood test experiment
In the introductory lab, you will also conduct a blood type test experiment. You will be presented with a patient that is in desperate need of a blood transfusion. To help the patient, you will first learn about the different blood type groups (both ABO and Rh) and the consequences of incompatible blood transfusions, and then you will use a typical blood type test card to determine the blood group. By observing the results, whether the sample clots or not, you will be able to draw a conclusion and determine the blood group.
Will you be able to save the patient with your newly acquired knowledge?
Length:
31
mins
Accessibility mode:
Available
Languages:
English (United States)
Italian
German
French
Spanish
Course Packages:
At the end of this simulation, you will be able to:
Understand the basics of safety in the laboratory
Calculate pH of strong acids, weak acids, strong bases and weak bases
Understand how acid dissociates in water
Understand the principle of diffusion and osmosis
Understand the different blood type groups and how to perform blood type test
At the end of this simulation, you will be able to:
University
NGSS
IB
AP
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