Nature of Science Pre-test

Front

What is a control in an experiment?

Back

A control is a standard against which the results of an experiment are compared. It is the group that does not receive the experimental treatment.

Front

What is qualitative data?

Back

Qualitative data is descriptive information that can be observed but not measured, such as colors, textures, and smells.

Front

What is empirical evidence?

Back

Empirical evidence is the data collected through observation and experimentation that supports or refutes a hypothesis.

Front

What is a scientific law?

Back

A scientific law is a statement based on repeated experimental observations that describes some aspect of the world, often expressed mathematically.

Front

What is an independent variable?

Back

An independent variable is the factor in an experiment that is changed or manipulated to test its effects on the dependent variable.

Front

What is a hypothesis?

Back

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

Front

What is a dependent variable?

Back

A dependent variable is the factor that is measured or observed in an experiment, which is affected by the independent variable.

Front

What is the difference between quantitative and qualitative data?

Back

Quantitative data is numerical and can be measured, while qualitative data is descriptive and cannot be measured.

Front

What is an observation in science?

Back

An observation is the act of noting and recording something using the senses or scientific instruments.

Front

What is the purpose of a scientific experiment?

Back

The purpose of a scientific experiment is to test a hypothesis by manipulating variables and observing the outcomes.