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Definition
Definition
Definition
NJ ASK Questions
NJ ASK Questions
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 the 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 producers to complete it
What is research question
100
Juanita considers shortening the wings, adding weight near the nose, and lengthening the tail all at the same time. Juanita decided this was not the best way to improve the glider because...
What is She should test one independent variable at a time
100
Juanita's hypothesis
What is "If I put a 25 gram clip in a certain spot along the glider then it will glide further.
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 and data
What is sample size
200
If you were Juanita, You should first test the three variables....
What is You should always test one variable at a time. She should shorten the wingspan first for more aerodynamics and more surface area to get more lift
200
Juanita's independent variable
What is 25 gram clip
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 with a scientific investigation
What is hypothesis
300
an investigation in which all variables are identified and recorded so that the investigation can be repeated
What is systematic investigation
300
Juanita could keep factors such as wind speed and direction constant in her trials how
What is She should conduct her trials in a gym were the wind remains constant
300
Juanita's dependent variable
What is the distance the glider travels
400
a set of observations made in an experiment, in the independent variables do not change, to be sure that the dependent variable remains the same also
What is control 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
It is difficult to test one independent variable at a time because
What is Many variables are at work when conducting experiments its hard to name them all
400
Would throwing the glider only once each time she moves the clip produce a sufficient sample size
What is More trials are necessary for Juanita to determine the best place to add weight to the glider
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
Juanita has built a wood glider. The glider does not fly as far as she wants so she is going to change it. In order to change it she takes it to the gym and does 10 test flights She wants to know the lengths of the shortest and longest flights. Two things Juanita must so to know the distance of the flights are
What is measure the distance and record the distance she measured
500
Juanita's control group
What is The first ten flights
500
It is important for Juanita to write down the location of the clip and the result each time because
What is She must match the location of the clip to the length of the flight and record keeping will let her know which location of the clip would work best