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DNA is found inside the cells of all living things. Which of the following is a reason that a scientist would want to use a model to study DNA?
geologist
Debate their ideas
DNA is very small
procedure with controlled conditions and test
data table
a testable idea that explains an observed event
any factor that is changed so that it can be tested
The dependent variable changes based on the independent variable.
A scientist who would use a map showing the location of rock formations
geologist
Debate their ideas
DNA is very small
procedure with controlled conditions and test
data table
a testable idea that explains an observed event
any factor that is changed so that it can be tested
The dependent variable changes based on the independent variable.
Which statement describes the difference between an independent variable and a dependent variable?
geologist
Debate their ideas
DNA is very small
procedure with controlled conditions and test
data table
a testable idea that explains an observed event
any factor that is changed so that it can be tested
The dependent variable changes based on the independent variable.
Which description defines a hypothesis?
geologist
Debate their ideas
DNA is very small
procedure with controlled conditions and test
data table
a testable idea that explains an observed event
any factor that is changed so that it can be tested
The dependent variable changes based on the independent variable.
Two scientists have different ideas about a scientific concept. What might they do to resolve their differences?
geologist
Debate their ideas
DNA is very small
procedure with controlled conditions and test
data table
a testable idea that explains an observed event
any factor that is changed so that it can be tested
The dependent variable changes based on the independent variable.
Scientists can use many strategies during investigations, including fieldwork, surveys, models, and experiments. Which of these phrases best describes an experiment?
geologist
Debate their ideas
DNA is very small
procedure with controlled conditions and test
data table
a testable idea that explains an observed event
any factor that is changed so that it can be tested
The dependent variable changes based on the independent variable.
Which of these items should the class use to record their measurements as the class takes them?
geologist
Debate their ideas
DNA is very small
procedure with controlled conditions and test
data table
a testable idea that explains an observed event
any factor that is changed so that it can be tested
The dependent variable changes based on the independent variable.
Which description defines a independent variable in a scientific experiment?
geologist
Debate their ideas
DNA is very small
procedure with controlled conditions and test
data table
a testable idea that explains an observed event
any factor that is changed so that it can be tested
The dependent variable changes based on the independent variable.
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