Nature of Science

Quiz
•
Other
•
7th Grade
•
Medium
Andy Svec
Used 52+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Scientists frequently repeat the experiments of others scientists. Why is this important in science?
Scientists often ask each other for help in performing experiments.
Replication of experiments helps to confirm and verify results.
Scientists frequently perform other scientists’ experiments in order to practice their technique.
Repeating experiments is an effective way to make sure a laboratory is in optimal condition.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cara read an article on why repetition and replication are so important, but she did not understand the difference between them. Which of the following best explains the two terms?
Repetition is when a scientist repeats an experiment; replication is when a scientist conducts an experiment on genetic material.
Repetition is when a scientist does the same experiment a number of times; replication is when other scientists reproduce a scientist’s experiment.
Repetition is when a scientist publishes in more than one scientific periodical; replication is when another scientist reproduces another scientist’s results.
Repetition is when a scientist commits an error in an experiment the first time and must repeat it; replication is when a scientist repeats an experiment to make sure it is valid.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kaylee reads an article that states that the frequency of chirping by crickets is related to the temperature of
their environment. She wants to conduct an experiment to see if this is true. Kaylee states this hypothesis:
Crickets chirp more frequently when the temperature of their environment increases. What is the test
variable (independent variable) and outcome variable (dependent variable) in Kaylee’s experiment?
a.test variable (independent variable): number of crickets; outcome variable (dependent variable): frequency of chirping
b. test variable (independent variable): temperature of environment; outcome variable (dependent variable): frequency of chirping
c. test variable (independent variable): number of crickets; outcome variable (dependent variable): temperature of environment
d. test variable (independent variable): frequency of chirping; outcome variable (dependent variable): temperature of environment
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The variable that is being measured or observed is called the _______________. Hint: this is the variable that is the result or effect
independent variable
dependent variable
control variable
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7.
MATCH QUESTION
1 min • 5 pts
Match the following parts of an experiment set up
experiment
things kept the same in an experiment
control group
factor that is measured
controlled variables
does NOT receive the experiment treatment
dependent variable
procedure done to test a hypothesis
independent variable
factor the experimenter changes
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