Scientific Theory & History of Cells Review

Front

What is a generalized description of a fact of nature that is observed repeatedly?

Back

Scientific law

Front

What theory suggests that foul or polluted air is the cause of disease?

Back

Miasma Theory

Front

Who conducted an experiment that boiled broth in a closed flask, providing evidence supporting spontaneous generation?

Back

John Needham

Front

What is a testable statement that can be falsified in scientific research?

Back

Hypothesis

Front

Who designed an experiment that boiled broth in a closed flask and removed the air, providing evidence against spontaneous generation?

Back

Lazzaro Spallanzani

Front

What is the difference between a scientific law and a scientific theory?

Back

A scientific law describes a consistent observation in nature, while a scientific theory explains why those observations occur.

Front

What is the significance of the Miasma Theory in the history of medicine?

Back

The Miasma Theory was an early explanation for disease causation, influencing public health practices before the germ theory was established.

Front

What role do hypotheses play in the scientific method?

Back

Hypotheses provide a basis for experimentation and can be tested to support or refute scientific theories.

Front

What experiment did Louis Pasteur conduct that challenged the idea of spontaneous generation?

Back

Pasteur's swan-neck flask experiment demonstrated that microorganisms in the air were responsible for contamination, not spontaneous generation.

Front

What is the importance of controlled experiments in scientific research?

Back

Controlled experiments allow scientists to isolate variables and determine cause-and-effect relationships.