8th Grade Nature of Science FL Review

Front

How many independent variables should be tested at a time in a scientific investigation?

Back

One independent variable should be tested at a time to ensure clear results.

Front

What is the term for explaining or interpreting observations based on reasoning from what you already know?

Back

Inferring is the process of explaining or interpreting observations based on prior knowledge.

Front

What is the variable that is being measured or observed in an experiment?

Back

The dependent variable is the one being measured or observed; it is the result or effect.

Front

Why is it important for scientists to replicate experiments?

Back

Replication of experiments helps to confirm and verify results, ensuring reliability in scientific findings.

Front

What prompted the modification of the original theory about disease?

Back

New evidence prompted revision to the original ideas, leading to the development of the germ theory.

Front

What is a hypothesis?

Back

A hypothesis is a testable prediction about the relationship between two or more variables.

Front

What is the difference between an independent variable and a dependent variable?

Back

The independent variable is manipulated by the researcher, while the dependent variable is measured in response.

Front

What is the scientific method?

Back

The scientific method is a systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

Front

What is a control variable?

Back

A control variable is a factor that is kept constant during an experiment to ensure that the results are due to the independent variable.

Front

What is the purpose of a scientific experiment?

Back

The purpose of a scientific experiment is to test a hypothesis and determine the relationship between variables.