WorksheetsThe Nature of Science
Total questions: 25
Worksheet time: 25mins
What step does every scientific experiment begin with?
hypothesis
question/problem
procedures
conclusion
What is being changed in this experiment?
ramp height
the speed that the ball rolls
type of ball
A series of steps used by scientists to solve a problem or answer a question.
scientific method
recipe
data collection
metric system
In which statement does the word theory mean scientific theory?
In theory, the experiment will work as planned.
She has a theory about why the storm arrived later than predicted.
The atomic theory explains that material objects are made up of atoms.
The doctor’s prescription for curing a cold is based on his best theory or guess.
A conclusion formed based on observation is called a...
Theory
Fact
Inference
Hypothesis
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
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
Process that uses observations and investigation to gain knowledge about events in nature is called _.
science
predicting
inferring
A _ is an educated guess or testable prediction
control
hypothesis
dependent variable
An organized procedure for testing a hypothesis is a(n) _.
experiment
independent variable
constant
A rule of nature that sums up related observations to describe a pattern in nature is a _.
scientific law
hypothesis
scientific theory
A _ is an explanation based on experiments or the most logical explanation.
hypothesis
scientific law
scientific theory
The _ is an organized set of investigation procedures used by scientists.
scientific method
scientific law
scientific theory
An educated guess
Problem
Hypothesis
Conclusion
Analysis
The procedures you complete that allow you to find out if your hypothesis is validated or should be rejected.
Experiment
Hypothesis
Conclusion
Research
What is the primary goal of the scientific method?
To prove hypotheses
To collect data
To develop theories
To solve problems
Which of the following best describes a scientific theory?
A hypothesis that has been proven
A well-substantiated explanation of some aspect of the natural world
A prediction of future events
An educated guess
What is the role of a control group in an experiment?
To provide a standard for comparison
To test the hypothesis
To ensure the experiment is valid
To manipulate variables
Which of the following is an example of a scientific law?
The theory of evolution
Newton's law of universal gravitation
The hypothesis of continental drift
The model of the atom
What is the difference between qualitative and quantitative data?
Qualitative data is numerical, quantitative data is descriptive
Qualitative data is descriptive, quantitative data is numerical
Qualitative data is more accurate than quantitative data
There is no difference
In an experiment, what is the independent variable?
The variable that is changed or controlled
The variable that is measured
The variable that remains constant
The variable that is dependent on others
What does it mean if an experiment is reproducible?
The results can be replicated by others
The experiment can be conducted multiple times
The hypothesis is proven true
The data is accurate
Which of the following is a characteristic of a good scientific hypothesis?
It must be correct
It must be testable
It must be complex
It must be simple
What is the purpose of peer review in scientific research?
To ensure the research is published
To validate the research through evaluation by other experts
To provide funding for the research
To promote collaboration among scientists
How does a scientific model differ from a scientific theory?
A model is a physical representation, a theory is an explanation
A model is an explanation, a theory is a prediction
A model is a prediction, a theory is a law
A model is a law, a theory is a hypothesis
