NOS Review

Front

Why do we perform experiments and investigations?

Back

To learn about the world around us.

Front

What is the difference between experiments and investigations?

Back

One always uses clearly defined hypotheses and variables.

Front

What is an investigation?

Back

A form of scientific inquiry; uses observations to explore and explain phenomena in the environment.

Front

What is an experiment?

Back

A method of testing a hypothesis using controlled conditions and clearly defined variables.

Front

Which of the following describes a model?

Back

Something used to represent, explain or illustrate a concept or an object.

Front

What is a hypothesis?

Back

A testable prediction about the relationship between variables.

Front

What are variables in an experiment?

Back

Factors that can change and affect the outcome of an experiment.

Front

What is a controlled variable?

Back

A variable that is kept constant to ensure a fair test.

Front

What is the scientific method?

Back

A systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

Front

What is data in scientific research?

Back

Information collected during an experiment or investigation.