Show:
Problem Statements
Predictions
Experiments
Observations
Inferences
100
A problem statement is also known as the ___________.
What is "the guiding question"?
100
A prediction is also the _______________ or ___________________.
What is "the hypothesis or an educated guess."
100
Experiments require _________________ and _______________.
What is "materials and procedures".
100
To make observations you may have to use your _________.
What is "senses".
100
Another word for inference is __________.
What is "conclusion."
200
At the end of a problem statement you will find a __________.
What is "question mark"?
200
What you think will happen during a scientific investigation.
What is "hypothesis or prediction"?
200
The use of scientific methods to test your hypothesis is the _______________.
What is "experiment"?
200
Something you find out about objects, events or living things using your senses or special tools.
What is "observation"?
200
Facts that make you believe that something is true.
What is "evidence"?
300
Scientific investigation begins with a testable ___________.
What is "Question"?
300
One way to write the hypothesis suggested by your book and practiced in class is______________.
What is "If, then, because" format?
300
These are objects or ideas that represent things.
What are "models"?
300
True or False: A scientist's opinion is a valid source of information?
What is "False"? Opinions are not valid sources.
300
A conclusion based on evidence is an __________.
What is "inference"?
400
What two steps do scientists take to better understand the world?
What is "They define a problem and they try to find solutions"?
400
True or false: You should write your hypothesis without researching the topic.
What is "False" ? Research appropriate sources to form a prediction.
400
True or False: The only way to test a hypothesis is to perform an experiment.
What is "false"? We can use models or investigate through surveys, Internet, etc.
400
When measurements are consistently repeated, giving the same results every time.
What is "precision"?
400
True or False: A scientist can assume the conclusion is a fact after conducting the experiment once.
What is "False"? Experiments must be repeated several times with the same outcome.
500
Scientists use _________________ to learn about the world around them.
What is "inquiry"?
500
Give an example of an appropriate hypothesis used in class.
Answers will vary.
500
Suppose two scientists performed the same experiment separately, but their results were different. What could they do to find out why this happen?
What is "Compare the procedures followed and repeat the experiment"?
500
Your friend wants to find out how many cute dogs live in her neighborhood. Could this information be used for a science experiment?
What is "No"? Cute is an opinion and opinions are not valid sources of information.