The variable that scientists observe changing while conducting an experiment is called the independent variable. This is the variable that is intentionally manipulated or changed by the scientist to observe its effect on another variable, known as the dependent variable.
The variable that a scientist observes to change while conducting an experiment is called the independent variable. This is the variable that is deliberately manipulated by the scientist to observe its effect on the dependent variable.
Environmental factors if you cannot control them.Variable factors if you can control them.See link below for easy explanation:In an experiment the scientist is able to change the independent variable. To insure a fair test, a good experiment has only one independent variable. As the scientist changes the independent variable, he or she observes what happens. - See more at: http://www.chacha.com/question/what-part-of-an-experiment-is-the-factor-that-you-change#sthash.iyH25Jac.dpufIn an experiment the scientist is able to change the independent variable. To insure a fair test, a good experiment has only one independent variable. As the scientist changes the independent variable, he or she observes what happens. - See more at: http://www.chacha.com/question/what-part-of-an-experiment-is-the-factor-that-you-change#sthash.iyH25Jac.dpuf
The dependent variable in an experiment is the thing that changes due to the experimentor changing the independent variable. Basically, its what you measure and record. For example: you create an experiment that observes the effects of the amount of sunlight on plants. You give one plant more sunlight than the other, leaving everything else exactly the same. That is your independent variable. Say you measure the height of each plant every week. Since the height is DEPENDENT on the amount of sunlight each plant got, the height is your dependent variable.
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Technically, the person is resting itself, but is in motion as long as the train is moving. ================================================== There is no 'absolute' answer. All motion is relative to the 'frame' in which it's measured. A physicist on the same train, sitting across the aisle from the person, observes the person to be at 'rest' in the physicist's frame. Another physicist, sitting in his car at a crossing, watching the train go by, observes the person to be moving past him at 50 mph. Both physicists are correct, because they're making their measurements in different 'reference frames'. By the way . . . the physicist in his car observes the physicist in the train to be moving too. At the same time, the physicist in the train is so at rest that he's preparing to take a nap. Have you ever read a book while you're in a passenger jet flying along at 400 mph ? Were you at rest or moving ? The answer is 'yes'. ============================================================== Very good point.
The variable that a scientist observes to change while conducting an experiment is called the independent variable. This is the variable that is deliberately manipulated by the scientist to observe its effect on the dependent variable.
A variable
A conclusion is what the experimenter observes from the experiment andwhether your hypothesis was proven correct or not.While the theory is the facts that is known about the experiment
Depends on the experimnet, if you testing a reaction of metals with carbonates for example the variables might be; the size of the metal/carbonate, the amount of metal/carbonate, the from of metal e.g. solid or liquid
observes
a naturalist observes the natural world
Observes and measure
A zoologist
Observes and measure
A scientist who observes bones and earth
Astronomer.
Incomplete question.