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To find the effect of light on tomatoes, you would need to control variables such as the type and intensity of light, the duration of light exposure, the temperature of the environment, the type of soil and nutrients used, and the watering schedule. By controlling these variables, you can ensure that any changes observed in the tomatoes can be attributed to the presence or absence of light.

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1y ago

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Which variable can you control?

You can control independent variables in an experiment. These are factors that you deliberately change in order to observe their effect on dependent variables, which are the outcomes you are measuring. By controlling independent variables, you can help determine cause-and-effect relationships.


Variables in an experiment whose effect you are testing?

'Known' Variables


What is the difference between control and experimental variables?

Control variables are kept constant throughout an experiment to ensure that any changes in the dependent variable are due to the manipulation of the independent variable. Experimental variables, on the other hand, are the factors that are deliberately changed by the researcher to observe their effect on the dependent variable.


How can variables effect the outcome of an experiment?

Variables can affect the outcome of an experiment by introducing potential sources of bias or confounding factors that can influence the results. It is important to carefully control and manipulate variables in order to accurately determine their impact on the outcome of the experiment. Failure to properly account for variables can lead to unreliable or misleading conclusions.


What is controlled in a controlled study?

An investigation in science that is controlled is an experiment. The group within the experiment that is controlled is the control group. A control experiment is designed to check or correct the results of a previous experiment. It does this by removing the variable or variables operating in the other experiment. The comparison obtained is an indication or measurement of the effect of the variables concerned


Identify the variables that you need to control and the variable that you will change?

To conduct a controlled experiment, you need to control all variables except the one you are changing. The variable you change is called the independent variable, and the variable you measure in response is the dependent variable. Control variables are those that could potentially affect the outcome of the experiment but are kept constant to isolate the effect of the independent variable.


What do you call the variable in an experiment that do not change?

Control Variable


What are the varibeles that you change in the experiment?

The variables that can be changed in an experiment are called independent variables. These are the factors that the researcher manipulates or controls to observe the effect on the dependent variable, which is the outcome being measured. Other variables, known as control variables, are kept constant to ensure that any observed changes are due to the independent variable.


Which of the following is an important advantage of experiments over observational studies?

The main possible advantage is that in an experiment, it is possible to control some of the variables so that it is easier to measure the effect of key variables. In observational studies, no such control is possible.


Why is it important to have a control substance in an experiment?

A control substance is important in an experiment to provide a baseline for comparison. It helps to ensure that any changes or effects observed are due to the variables being tested and not external factors. This allows researchers to draw accurate conclusions about the effect of the variables being studied.


Why is it so important to control variables in an experiment?

You need to control variables in an experiment so as to make sure that only the variable you are testing and changing is the one affecting the results of your experiment. For example, in an experiment to find the effect of light intensity on the rate of photosynthesis of plant, you'll change light by putting a plant in sun and another in dark but you must not change carbon dioxide level for both plants so by that you have controlled other variables in the experiment(variables which must be the same always in the experiment).


When an experiment shows that one variable makes another Chang and no other variables have any effect the experiment shows?

causation