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In an experiment the hypothesis is If the wavelength of the light shining on a plant is shortened the rate of photosynthesis is slowed down. If this experiment is performed .?
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∙ 6y ago
a) testiable
b) falisable
c)both of the above
d) none of the above
the answer is , B ; falsiable . (:
ENJOYYY ! <3
Tavares Cole
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Which scientist performed the cathode ray experiment leading to the discovery of electrons?
Dalton performed the cathode ray experiment.
Which variable is unknown until the experiment is performed?
A responding variable
Why would Watson and Rayner's experiment with little albert probably not be prerfromed today?
Watson and Rayner's experiment with little Albert had a number of ethical issues. The most important is harm to the participant. Albert was subjected to loud clanging noises and was made to develop a phobia. He also did not give informed consent as he was only a very small child. For these reasons, the experiment would not be performed today.
Rutherford's research was primarily involved with?
Rutherford gave planetary model of atom . He performed gold foil experiment.
Which scientists proposed the nuclear a tomic model with a centrally located positively charged nucleus based on the result of his gold foil experiment?
Ernest Rutherford published a paper proposing the planetary model in 1911. This followed the experiment performed by Hans Geiger and Ernest Marsden under the direction of Rutherford in 1909, where gold foil was bombarded with alpha particles .
In an experiment the hypothesis is If the wavelength of the light shining on a plant is shortened the rate of photosynthesis is slowed down If this experiment is performed?
a) testiable b) falisable c)both of the above d) none of the above the answer is , B ; falsiable . (: ENJOYYY ! <3
What is the difference between observation and hypothesis?
The hypothesis is your guess of what will happen with the experiment before you do it. Observation is watching the experiment as it is being performed and observing what is taking place.
is it true that an experiment is meant to prove that the hypothesis is correct?
An experiment is performed to generate more data. If the data proves to not support the hypothesis the experiment was still useful. You could reproduce your experiment to see if it is performing the way it should. After you have confirmed the experiment is performing correctly you then could devise another experiment to further test your hypothesis or accept the result and revise your hypothesis.
Can a hypothesis still be right even if the experiment says it is wrong?
Yes, although if the experiment is performed correctly there should be relatively little chance of this occurring. This is referred to as a type II error in statistics - the data supports rejecting the hypothesis even though the hypothesis is correct.
What are the procedures performed to test the effect of one thing on another using controlled conditions called?
These are the steps in an experiment to test a hypothesis.
What is the problem being explored in a problem in science called?
It is called the problem and is usually asked as a question. After researching the problem, a temporary solution called a hypothesis is stated. Then an experiment is performed to test the hypothesis.
What are steps in making a good experiment?
It depends a great deal on the specific experiment. But in general, you start with a hypothesis (a proposed idea) and use the experiment to either confirm or contradict your hypothesis. Having a well-stated and clear hypothesis is critical to having a good experiment. Alternatively, you can use an experiment to answer a specific question. Once you have a hypothesis or question to address, you need to establish a method by which you will answer the question. It is important to not only consider the technique itself and how to do it, but also how to interpret different possible results. Once you have performed the experiment, you must interpret your results (usually using the interpretation mentioned above). You must also consider other factors in your results, such as error (either random or systematic). Finally, do the results support or contradict the original hypothesis, or do they answer the question originally asked? If not, what is missing? If so, what does that mean (in other words, why was the hypothesis interesting or important to test in the first place?
Why would scientist change their hypothesis?
In the face of evidence. A Hypothesis is an idea about how something works or will work. Once a test is performed (normally an experiment or a set of observations) then the hypothesis might need to be "refined" or changed to explain the new data. Once a Hypothesis survives all the experiments that people can throw, by correctly predicting their outcomes, then it becomes the "Accepted Theory" for the problem.
Why would a scientist change their hypothesis?
In the face of evidence. A Hypothesis is an idea about how something works or will work. Once a test is performed (normally an experiment or a set of observations) then the hypothesis might need to be "refined" or changed to explain the new data. Once a Hypothesis survives all the experiments that people can throw, by correctly predicting their outcomes, then it becomes the "Accepted Theory" for the problem.
Why is it important for scientists to state a conclusion?
To clearly state why the experiment was performed
When using a scientific method what is always assumed correct until proven wrong?
in the scientific method the hypothesis is always assumed correct until proven wrong by the experiment that is being performed
Which scientist performed the cathode ray experiment leading to the discovery of electrons?
Dalton performed the cathode ray experiment.
