Nature of Science Quiz P2

What is a fact in science?

• A simple observation we make about the world

• A testable explanation or prediction based on observation

• A broad explanation that has been tested and confirmed

• Identifies a phenomenon of nature without explaining it

What is a hypothesis in science?

• A simple observation we make about the world

• A testable explanation or prediction based on observation

• A broad explanation that has been tested and confirmed

• Identifies a phenomenon of nature without explaining it

What is a theory in science?

• A simple observation we make about the world

• A testable explanation or prediction based on observation

• A broad explanation that has been tested and confirmed

• Identifies a phenomenon of nature without explaining it

What is a law in science?

• A simple observation we make about the world

• A testable explanation or prediction based on observation

• A broad explanation that has been tested and confirmed

• Identifies a phenomenon of nature without explaining it

What is the scientific method?

• A sequence of steps that scientists follow to answer a question or explain an observation

• A simple observation we make about the world

• A testable explanation or prediction based on observation

• A broad explanation that has been tested and confirmed

What did Dr. Jenner observe about dairymaids and smallpox?

• Dairymaids who caught cowpox seemed to be protected from smallpox

• Dairymaids who caught smallpox seemed to be protected from cowpox

• Dairymaids who caught cowpox were more likely to catch smallpox

• Dairymaids who caught smallpox were more likely to catch cowpox

What was Dr. Jenner's hypothesis?

• If a person was exposed to smallpox, they would become immune to cowpox

• If a person was exposed to cowpox, they would become immune to smallpox

• If a person was exposed to smallpox, they would become more likely to catch cowpox

• If a person was exposed to cowpox, they would become more likely to catch smallpox

What is the independent variable in Dr. Jenner's experiment?

• The vaccine

• The vulnerable or immune to smallpox

• The unexposed children

• The 8-year old child

What is the dependent variable in Dr. Jenner's experiment?

• The vaccine

• The vulnerable or immune to smallpox

• The unexposed children

• The 8-year old child

What is the controlled variable in Dr. Jenner's experiment?

• The vaccine

• The vulnerable or immune to smallpox

• The unexposed children

• The 8-year old child