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In Griffith's experiment, the key variables are the type of bacteria used (Streptococcus pneumoniae strains), specifically the virulent smooth (S) strain and the non-virulent rough (R) strain. The outcome variable is the mouse's survival or death after being injected with different bacterial strains. Additionally, the method of heat-killing the S strain serves as a crucial manipulation to test the transformation principle, which ultimately demonstrated the transfer of genetic material.
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What is the difference between a manipulative experiment and a natural experiment?
in a manipulative experiment the investigator has control over the variables in the experiment. a natural experiment is simply making observations of naturally occurring events and looking for correlations between phenomena. Natural experiments are primarily just measuring and analyzing statistics.
What is science variables?
Variables are the different thing in the experiment. Ex.-Problem-Which ball rolls fastest? Hypothesis-The Softball will roll fastest. Investigation-Roll the balls at the same time and time them with a stopwatch. Conclusion-Basketball rolled the fastest. Variables-The balls.
What is the variable in an experiment?
The variable in an experiment is the element that is being tested or measured. It is the factor that can change or be manipulated to observe its effect on the outcome of the experiment. There are independent variables, which are manipulated by the researcher, and dependent variables, which are what is being measured.
What is any changeable element in an experiment?
A changeable element in an experiment is called a variable. Variables can be independent (what the researcher manipulates) or dependent (what is being measured). Controlling variables helps ensure that the results of an experiment are accurate and reliable.
What are the types of variables according to functional relationship?
The types of variables according to functional relationship are independent variables and dependent variables. Independent variables are inputs that are manipulated or controlled in an experiment, while dependent variables are the outputs that are affected by changes in the independent variables.
The variables that do not change in an experiment are what?
Variables that do not change in an experiment are independent variables.
What are variables that do not change in an experiment?
Variables that do not change in an experiment are independent variables.
What type of variables are in experiment?
the only variables in an experiment are the independent variables [the thing in an experiment your going to change. and the dependent variables [the thing in an experiment your going to measure.
What type of variables are factors that are being tested in and experiment and varied by the experiment?
Independant variables
What type of variables are factors that are being tested in a experiment and varied by the experiment?
Independant variables
What type of variables are factor that are being tested in an experiment and varied by the experiment?
independent variables :):):):):):):):):):):):)
An experiment in which all variables stay the same is called?
An experiment in which all variables stay the same is called a "controlled experiment".
What are the variables that are not changed in an experiment?
In an experiment, variables that are not changed are called control variables. These variables are kept constant to ensure that any changes observed in the experiment are due to the manipulated variable, or independent variable, and not due to other factors.
What are the two types of variables in an experiment?
The two types of variables in an experiment are independent variables, which are controlled by the experimenter and can be manipulated, and dependent variables, which are the outcome or response that is measured in the experiment and may change in response to the independent variable.
What are variables that remain the same in a scientific experiment?
Variables that remain constant in a scientific experiment are called controlled variables. These variables are not changed throughout the experiment to ensure that any observed effects are due to the independent variable being tested.
What are constant variables and y r they important in an experiment?
. Constant variables are variables which cannot be changed with the experiment. To remember their name is easy just think about Constance. They are important to an experiment because without all three variables there would be no complete experiment. Also the constant variables are important to an experiment because they help complete the result. Without a constant variable you. Would not be testing correctly
What are control variables important in experimenting?
the reason it is important to controll the variables in an experiment is because if the variables are not controlled in an experiment it will be impossible to reproduce the experiment. which also will make it impossible to prove the theory being tested
