5th - Science Unit 4 Lesson 3

Question 0

Anything that interferes with the normal functions of the body.

Answer 0

Disease

Question 1

An organism that is too small to be seen with just our eyes

Answer 1

Microorganism

Question 2

The process of heating foods to high temperatures to slow the grow of bacteria

Answer 2

Pasteurization

Question 3

A chemical that kills disease-causing bacteria.

Answer 3

Antibiotic

Question 4

A preparation made from dead or weakened pathogens that can help prevent some diseases.

Answer 4

Vaccine

Question 5

Where are microorganism?

Answer 5

Everywhere

Question 6

Why are microorganism important?

Answer 6

1. Provide larger organisms with some of the food and oxygen they need to survive.
2. Return nutrients to the environment by breaking down dead organisms

Question 7

What are some examples of unicellular organisms?

Answer 7

1. All bacteria (but not all are microscopic)
2. Protists such as Euglena, amoebas, paramecia
3. Yeast (a fungi)

Question 8

What are some examples of multicellular microorganisms?

Answer 8

1. Most fungi such as mushrooms

2. Dust mites

Question 9

What is the difference between unicellular and multicellular microorganisms?

Answer 9

Unicellular have only one cell where multicellular have more than one.

Question 10

Some harmful bacteria, protists, and fungi can cause diseases or disease causing agents

Answer 10

Pathogens

Question 11

What can microorganism cause?

Answer 11

Diseases

Question 12

What are diseases caused by pathogens that can be passed from one organism to another?

Answer 12

Infectious diseases

Question 13

What bacteria causes a disease called strep throat by attacking cells in the throat?

Answer 13

Streptococcus

Question 14

Some diseases such as tetanus and scarlet fever are caused by what?

Answer 14

By producing poisonous substances called toxins

Question 15

What are two types of bacteria that can attack the digestive system after someone was in contact with uncooked foods?

Answer 15

E.coli and Salmonella

Question 16

What are some examples of diseases caused by fungi and protists?

Answer 16

1. Athlete’s foot
2. Dysentery
3. Sleeping sickness
4. Malaria

Question 17

How does pasteurization help keep us safe from diseases?

Answer 17

Heating liquids, such as milk, to a high temperature eliminates the bacteria without significantly altering the liquid

Question 18

Antibiotics are used to treat what?

Answer 18

Bacterial infections

Question 19

Why must scientists develop so many different antibiotics?

Answer 19

Because each antibiotic works only for certain types of bacteria.

Question 20

What uses dead or weakened pathogens to prevent you from getting certain diseases?

Answer 20

Vaccines

Question 21

What is the best way to stop the spread of infectious diseases?

Answer 21

By washing your hands, you can remove the pathogens you may have picked up and help prevent the spread of diseases.