Download Reader Overview Table

Overview Table
Level 2
Page
Title / Scientist(s)
Idea and evidence
Vocabulary /
Resources
Science Terminology
No.
Matching topics in
KS3 Science /
KS4 Chemistry and/or
Physics (S4-6)
4–9 A disease that destroys our
•
In 1980, a strange new disease was identified in gay
immune system
immune system
men in Los Angeles. Later, the disease was also found AIDS
- David Ho (1952 – )
in intravenous drug addicts who used shared needles.
•
•
(acquired immune
This disease was renamed AIDS in 1982.
deficiency
Two teams of researchers succeeded in isolating a
syndrome)
Worksheet 1
KS3 Science (S1-3)
Unit 3
CD Track X1
3.5 Sexually transmitted
diseases
new retrovirus called HIV (human immunodeficiency
haemophiliac
KS4 Biology (S4-6)
virus) in AIDS patients.
pathogen
IV. Health and Diseases
Cocktail therapy, invented by David Ho, along with
retrovirus
b. Diseases
other measures that prevent AIDS-related infections,
host cell
- Infectious diseases (e.g.
reduces the symptoms of infection and allows patients
HIV
AIDS, cholera, cold,
to survive many years following diagnosis.
(human
dengue fever,
immunodeficiency
gastroenteritis, hepatitis
virus)
B, influenza, malaria,
cocktail therapy
measles, SARS and
tuberculosis)
© Times Publishing (Hong Kong) Limited
-1-
10– Finding the cause of a peptic •
For many years, doctors believed that a peptic ulcer
peptic ulcer
15
ulcer - a detective story
was caused by an excessive secretion of acid in the
secretion
- Barry Marshall (1951 – )
stomach, which damaged the stomach wall and
Helicobacter pylori
caused an ulcer.
antibiotic
•
Worksheet 2
KS3 Science (S1-3)
Unit 1
CD Track X2
1.4 Conducting a simple
scientific investigation
Marshall observed that a kind of bacteria called
- Hypothesis
Helicobacter pylori (H. pylori) was found in all his ulcer
- Inferences
patients, but absent in healthy people. This led him to
- Conclusion
suggest a different explanation for the cause of a
•
peptic ulcer: a peptic ulcer is caused by the bacteria H.
KS4 Biology (S4-6)
pylori.
IV. Health and Diseases
He even did an experiment on himself to further test
b. Diseases
his hypothesis. The result provided strong evidence to
support his idea.
© Times Publishing (Hong Kong) Limited
-2-
16– The SARS epidemic of 2003 •
In early 2003, the world was struck by a deadly
epidemic
21
epidemic, Severe Acute Respiratory Syndrome
Severe Acute
•
(SARS). Later, scientists had identified a new
Respiratory
pathogen responsible for SARS. It was a coronavirus
Syndrome (SARS)
never seen before in humans.
influenza
An outbreak of SARS occurred in Amoy Gardens,
coronavirus
Hong Kong.
•
With careful observations, scientists found out that the
SARS virus at Amoy Gardens was spread via droplets
through the sewage pipes and dried U-traps in the
toilets.
© Times Publishing (Hong Kong) Limited
-3-
Worksheet 3
KS4 Biology (S4-6)
IV. Health and
CD Track X3
Diseases