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Definitions
Definitions
Definitions
Questions
NJ Ask Review
100
the degree of conformity of a measure to a standard or a true value
What is accuracy
100
the factor in an experiment that changes as a result of a change in an independent variable
What is dependent variable
100
a question used to focus the purpose of a scientific investigation and the procedures used to complete it
What is research question
100
In order for her to know how the distances of the longest and shortest flights she must measure the distance of each flight and record each distance she measures
What is name two things that Juanita must do to know the distances of the shortest and longest flights
100
B. liver mass test tube size and enezyme amount
What is what parameters were held constant in Annessas experiment?
200
a decision based on investigation and evidence
What is conclusion
200
an experiment in which one independent variable is tested by keeping all other independent variables the same
What is fair test
200
the number of observations or data
What is sample size
200
she should test one independent variable at a time
What is why do you think Juanita decided that this was not the best way to figure out how to improve her glider
200
A. other scientists carry out the same experiment to see if they get the same result
What is How does the scientific community confirm that a scientist work is valid.
300
a controlled variable in an experiment that is kept the same from trial to trial
What is constant
300
an idea that can be tested by a scientific investigation
What is hypothesis
300
an investigation in which all variables are indentified and record so that all the investigations can be repeated
What is systematic investigation
300
you should always test one variable at a time. i would test shortening the wingspan first for more aerodynamics and more surface to get more lift
What is if you were Juanita which of the three variables would you test first
300
2. Construct a table in which to record data 1.To find the masses of four different bobs 4. Tie the bobs to four stings of equal length. 3. Time the duration of pone swing.
What is In which order should Dietrich conduct these steps. To find how the swing of a Bob does not affect its lenght to take one complete spin.
400
a set of observations made in an experiment in which the independent variables are not changed to be sure that the dependent variable remains the same also
What is controlled group
400
a variable that is isolated for study in an experiment and that the experimenter manipulates
What is independent variable
400
a factor that changes in an experiment
What is variable
400
she should conduct her experiment in a gym where wind remains constant
What is suggesting how Juanita can keep factors such as wind speed and direction constant in her trials
500
a variable that is kept the same from trial to trial
What is controlled variable
500
having the ability to get similar results from multiple trials
What is reproducible
500
The size of the bird house.
What is the independent variable in Jack's study.