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WorksheetsThe Nature of Science
Total questions: 10
Worksheet time: 5mins
What do we mean when we say a fact must be objective?
It must be unbiased
It must be testable
It must be observable
It must be accomplished
What is the difference between a scientific law and a scientific theory?
A law is a prediction, a theory is an explanation
A law is a fact but a theory is not
A law is used in Physics, a theory is used in Biology
A law is more scientific than a theory
A conclusion formed based on observation is called a...
Theory
Fact
Inference
Hypothesis
Which type of observation involves numbers?
Qualitative Observation
Quantitative Observation
Scientific Observation
Theoretical Observation
How is precision different from accuracy?
Precision measures consistency, accuracy measures correctness
Precision measures quantities, accuracy measures qualities
Precision measures correctness, accuracy measure consistency
Precision measures qualities, accuracy measure quantities
What statement about hypotheses is FALSE?
A hypothesis must always be an "If...then..." statement
A hypothesis includes independent & dependent variables
A hypothesis describes a cause & effect relationship
A hypothesis is an educated guess that must be correct
The independent variable...
Is graphed on the Y-axis
Is the "effect" of the experiment
Applies to the control group only
Is what we are testing in the experiment
The dependent variable...
Is graphed on the X-axis
Is what the experimenter will change or manipulate
Is what the experiment is measuring
Works independently of the IV
What is the purpose of a control group?
To establish a "normal" baseline
To differentiate between your experimental groups
To make your experiment more precise
To keep things the same between trials
Which is NOT a reason to have repeated trials in an experiment?
To ensure the results are not due to chance
To eliminate any errors
To ensure data is precise
To ensure data is accurate
