Which is the independent variable in an investigation ? Group of answer choices The temperature of the Bunsen Burner used The one the scientists measures The size of the beaker used The one the scientists changes

The one the scientists changes

Explanation:

Independent variables in an experiment are the variables that the experimenter controls or changes in order to produce different results. Independent variables directly effect the dependent variable. The given example the dependent variable can be option d that is the one that scientist changes

5 w for 1hr = 5x60x60 joules=300x60=3000x6=18,000j as total energy conversion. efficiency of bulb needed for radiant to thermal within 18000

molecules are free to separate from each other and will take on the shape of the container. molecules move completely at random and high speeds. they vibrate in a fixed position and do not move around much. molecules expand to the edge of their container.