Download Online Viruses Activity

Name _______________________________
Discovery Education: Viruses
Log on to discoveryeducation.com and complete the assignment.
Part 1: Introduction to viruses
Watch the video segment and answer the following questions:
Why do viruses need the cells of living organisms to survive?
Give two examples that demonstrate how viruses are highly selective about which part
of the body they infect?
Part 2: Viral Structure and Replication
Watch the video segment and answer the following questions:
Why does the DNA of the virus have to travel to the nucleus of the cell?
How does the virus get out of the cell? What happens to the cell?
Part 3: Vaccines
Watch the video segment and answer the following questions:
Where did the term vaccine come from?
How did Edward Jenner come up with his idea for the smallpox vaccine?
Explain in your own words how a vaccine works?
Part 4: Infectious Disease
Go to the Integrated Science Simulation Infectious Diseases.
1. Click on the “Start Here” tab and read or listen to the introduction.
2. Read Introduction about the diagnosis of infectious diseases.
3. Click on The “Diagnose illness” tab and find out information about each disease.
a) Which are caused by bacteria and which by viruses?
Bacteria: ______________________________________________________
Viruses: ______________________________________________________
b) Which disease is transmitted by a mosquito?
c) How would you know if a patient had the flu and not just the common cold?
d) For which viral disease is there a vaccine?
4. Diagnose patients.
a. Read history and symptoms.
b. Follow the steps for making a diagnosis.
c. Click reset to diagnose a new patient.
d. Repeat for at least ten patients.