Contents
- 1 What variable do you control in an experiment?
- 2 What is the controlled variable in a volcano experiment?
- 3 What makes a good control variable?
- 4 What is the dependent variable in a volcano?
- 5 What is the dependent variable in a vinegar and baking soda experiment?
- 6 How does vinegar affect the chemical reaction between baking soda, and vinegar?
What variable do you control in an experiment?
Independent variables
Independent variables (IV): These are the factors or conditions that you manipulate in an experiment. Your hypothesis is that this variable causes a direct effect on the dependent variable. Dependent variables (DV): These are the factor that you observe or measure.
What is the controlled variable in a volcano experiment?
The independent variable (also known as manipulated variable) is the ratio of vinegar to baking soda. The dependent variable (also known as responding variable) is the amount of gas produced by the reaction. Control variable is the ambient temperature (room temperature).
What is the control variable in an experiment example?
Examples of Controlled Variables Temperature is a common type of controlled variable. If a temperature is held constant during an experiment, it is controlled. Other examples of controlled variables could be an amount of light, using the same type of glassware, constant humidity, or duration of an experiment.
What is the controlled variable in the egg and vinegar experiment?
Controlled variables are things that you keep the same in all of your tests. This might include the temperature of the eggs (room temperature vs. fridge), type of vinegar used (e.g., white vs. apple cider), and kind of egg (e.g., chicken vs.
What makes a good control variable?
Variables are just values that can change; a good experiment only has two changing variables: the independent variable and dependent variable. A control variable is another factor in an experiment; it must be held constant.
What is the dependent variable in a volcano?
Dependent Variable: The variable that respond to the change of the independent variable. ( The “wild” variable) Again, say your experimenting with the amount of baking soda in a baking soda/vinegar volcano. The dependent variable is the eruption of the vinegar/ baking soda volcano.
What is a control variable example?
Examples of Controlled Variables Temperature is a much common type of controlled variable. Because if the temperature is held constant during an experiment, it is controlled. Some other examples of controlled variables could be the amount of light or constant humidity or duration of an experiment etc.
How do you control independent variables?
In a controlled experiment, an independent variable (the cause) is systematically manipulated and the dependent variable (the effect) is measured; any extraneous variables are controlled. The researcher can operationalize (i.e. define) the variables being studied so they can be objectivity measured.
What is the dependent variable in a vinegar and baking soda experiment?
What is the dependent variable in a baking soda and vinegar experiment? If these vary from trial to trial, it will not be a fair test. the bicarbonate of soda in response to your experiment. In this experiment the dependent variable will be the amount of fizziness that occurs after adding the liquid.
How does vinegar affect the chemical reaction between baking soda, and vinegar?
Experimental (independent/dependent variable, with a control) or comparative (independent/dependent variable, comparing different things) How does the amount of vinegar affect the length of the chemical reaction between baking soda, and vinegar?
How is the fizz of baking soda measured?
If these vary from trial to trial, it will not be a fair test. the bicarbonate of soda in response to your experiment . In this experiment the dependent variable will be the amount of fizziness that occurs after adding the liquid. You will measure the height that the fizz reaches up to in the test tube.
How to measure the mass of baking soda and vinegar?
1. Measure the mass of a beaker, 10mL vinegar, and 10g baking soda. Disclaimer: This work has been submitted by a student. This is not an example of the work written by professional academic writers. Here you can order a professional work. (Find a price that suits your requirements) 2.