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Controlled Experiments And Graphs
Test Description: Review of terms and concepts associated with controlled experiments and graphs.
Instructions: Answer all questions to get your test result.
1) In a graph showing temperature change of a material over time, temperature change is the __________.
A
independent variable
B
dependent variable
C
variable with the largest range
D
variable with the smallest range
2) The best type of graph to use to show how some fixed quantity is broken down into parts is _________.
A
bar graph
B
scatter graph
C
circle graph
D
line graph
3) A standard for comparison that helps to ensure that the experimental result is caused by the condition being tested is the ________.
A
dependent variable
B
control
C
hypothesis
D
constant
4) A factor in an experiment that changes from the manipulation of the independent variable is the _____________.
A
hypothesis
B
control
C
dependent variable
D
constant
5) An organized process used to gather information and test a hypothesis is a(n) ____________.
A
constant
B
experiment
C
problem
D
exercise
6) Scientific hypotheses are proved or disproved through controlled scientific experiments. Which of these questions could NOT be answered through a proper scientific experiment?
A
Are sports drinks healthier to drink than water when exercising?
B
Do beans grow faster in saltwater or freshwater?
C
How many calories are in a banana?
D
Are canines happier with a male or female owner?
7) What does the motto "don't take anyone's word for it" say about the scientific approach?
A
observations are generally unimportant in making scientific knowledge
B
claims must be tested before they are accepted
C
science derives its authority mostly from belief
D
a theory that has been around for centuries will never be disproved
8) The process of gathering information through the senses is called ___________.
A
analysis
B
hypothesis
C
observation
D
inference
9) In an experiment to determine whether the popping of popcorn is affected by the temperature at which it is stored, counting the popped kernels is an example of a(n) ______________
A
conclusion
B
observation
C
control
D
hypothesis
10) An explanation of an event that is based on repeated observations and experiments is a ____________.
A
hypothesis
B
problem
C
scientific law
D
theory
*select an answer for all questions
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