Germ theory of disease

Which of the following was NOT a believed cause of disease prior to the 1870s?

• evil spirits

• bad smells

• bacteria

• curses

What is miasma?

• Bad air

• Bad breath

Who developed antiseptics?

• Lister
• Simpson
• Snow
• Jenner

Louis Pasteur proved that _____________ made milk, wine, and food spoil.

• heat

• dirty hands

• germs

• bad cooks

Louis Pasteur created a process of heating food to kill germs that was called...

• sanitation

• chemistry

• germ theory

• pasteurization

This is an individual plant, animal, or single-celled life form.

• host

• pathogen

• protein

• organism

Tags

NGSS.MS-LS1-1

Disease causing germs such as viruses and bacteria are also known as...

• antibodies

• proteins

• hosts

• pathogens

At one point in time, many people thought disease was caused by fate or by incorrect behavior. Following the invention of the microscope, bacteria were discovered. After this, a new theory of what causes disease arose that was known as the germ theory.  Why was the original theory modified? 

• It quickly became obvious that germs cause disease.
• The person who invented the microscope became ill.
• New evidence prompted revision to the original ideas.
• The proponents of the germ theory had political power.

In which statement does the word theory mean scientific theory?

• In theory, the experiment will work as planned. 
• She has a theory about why the storm arrived later than predicted. 
• The atomic theory explains that material objects are made up of atoms. 
• The doctor’s prescription for curing a cold is based on his best theory or guess. 

If an epidemic is widespread throughout a large region, continent, or entire global, it is considered a ________.

• bacteria

• pandemic

• endemic

• endemic