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Bacteria and Viruses
This has the basic facts about bacteria and viruses
13
Science
7th Grade
01/31/2011

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Cards

Term
Name two ways the bacteria are beneficial
Definition

-used in digestion

-can add flavor to food

Term
Name two bacterial diseases
Definition

-Pneumonia

-Whooping Cough

Term
Name two viral diseases
Definition

-AIDS

-common cold

Term
Why is it important for doctors to identify whether a person has a bacterial disease or a viral disease before treating them?
Definition
-Because antibiotics only work against bacteria, not viruses
Term
Why aren't antibiotics, like penicillin, effective against viruses?
Definition
-Because antibiotics only fight bacteria
Term
Who discovered penicillin, an antibiotic commonly used to fight bacterial illnesses?
Definition
-Alexander Fleming
Term
Name 2 actions that people can take to help protect themselves from bacterial or viral diseases?
Definition

-Washing their hands

-Getting immunized

Term
A _________ is produced using weakened or dead viruses and is used to train your immune system to recognize future threats.
Definition
-vaccine
Term
Give two pieces of evidence supporting the idea that bacteria are alive
Definition

-They hold DNA

-They reproduce

Term
Give 2 pieces of evidence supporting the idea that viruses are not living.
Definition

-They cannot reproduce without a host cell

-They cannot control their movement

Term
Where are bacteria found?
Definition

-In the human body

-In the sink

-In the bathroom

-On sponges

-On water fountains

(ANY WARM, MOIST, ENVIORMENT)

Term

Bacteria and viruses reproduce and spread...

A. slowly

B. at an average speed

C. quickly

Definition
C-quickly
Term
What invention in the 1930's led to a better understanding of bacteria and viruses?
Definition
-The electron microscope
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