The Method
Science etc.
What scientists do
Life or Something Like It
Experiments
100
what scientific investigations begin with
What is observation
100
If you were to run a 5000 meters, you would be running how many kilometers?
What is 5
100
propose these after much testing to explain and unify numerous observations
What is a theory
100
Living things are distinguished from nonliving things in that they are made up of...
What is cells
100
A medical experiment testing 14 subjects reveals that after exercising, people feel much happier, are much more energetic throughout the day, and decrease their heart rate by 2.5 bpm. Indicate the measurement in this experiment.
What is 2.5 bpm
200
group in an experiment that is exposed to the independent variable
What is the experimental group
200
Descriptions or photographs from an experiment would be considered
What is qualitative data
200
is in use when one scientists repeats an experiment by another scientist whom he doesn't know
What is peer review
200
The regulation of body temperature in endotherms is an example of...
What is maintaining homeostasis
200
A study is done on rats where different colors of treats are given to different rats. The rats are then weighed after 3 days. Indicate the independent variable
What is the color of the treat
300
variable that is deliberately changed
What is independent variable
300
Video taken with special hidden cameras underwater for analysis of coral reef habitats is an example of a
What is field observation
300
Examples include personal tastes or societal standards
What is bias
300
______ contains the information coding for life
What is DNA
300
Subjects were given a hormone injection and then offered a choice among possible activities to participate in. Indicate the dependent variable.
What is the choice of activity made.
400
responds to the manipulated variable
What is the dependent variable
400
Microscopes leading to the discovery of cells is an example of ______ leading science
What is technology
400
Science needs to be done in the context of _______ principles because it cannot propose these things on its own
What is ethical or moral
400
_____ can be a detriment to the individual but necessary for the species as a whole
What is reproduction
400
Aspirin is given to some patients, nothing is given to others, and others are given a sugar pill they are told is aspirin to test medical effectives of headache treatment. Indicate the control group.
What is group given nothing
500
exposed to all conditions in an experiment except for one manipulated variable
What is a control group
500
In medical studies, samples are quite large because of the great _________ between test subjects
What is variation
500
3 necessary components of a scientific theory
What is well tested, makes predictions, based on facts (evidence), unifies broad range of observations
500
Taken as a group, living things ____________
What is evolve
500
A study on body weight uses balance scales (not electronic) to report effects of eating breakfast on weight loss. Indicate a possible source of scientific error.
What is different results from the scale depending on whose doing the weighing.
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