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Scientific Methods
CAVA chemistry scientific methods
Question | Answer |
---|---|
[...] lead to questions and the scientific method. | Observations lead to questions and the scientific method. |
The scientific [...] is a process for answering questions and solving problems. | The scientific method is a process for answering questions and solving problems. |
Scientific Method First Step: Ask a question and make a [...]. | Scientific Method First Step: Ask a question and make a hypothesis. |
A hypothesis is a [...]able statement (it does not need to be a guess, educated or otherwise!) | A hypothesis is a testable statement (it does not need to be a guess, educated or otherwise!) |
A hypothesis must be a statement that can be [...]. (notice it does not have to be an educated guess) | A hypothesis must be a statement that can be tested. (notice it does not have to be an educated guess) |
Use the [...] to devise an experiment. | Use the hypothesis to devise an experiment. |
A scientific experiment is designed to [...]. | A scientific experiment is designed to test a hypothesis. |
Control all but [...] in a scientific experiment. | Control all but one variable in a scientific experiment. |
Variables that are kept constant are called [...]. | Variables that are kept constant are called controls. |
Conclusions are drawn only after [...]. | Conclusions are drawn only after analyzing results. |
Some experiments do not lead to any conclusions; they are [...]. | Some experiments do not lead to any conclusions... they are inconclusive. |
A hypothesis that is shown to be false is said to be [...]; it's a good thing. | A hypothesis that is shown to be false is said to be rejected... it's a good thing. |
A hypothesis that was supported by an experiment is said to be [...], not proven. | A hypothesis that was supported by an experiment is said to be validated... not proven. |
A hypothesis does not need to be [...] in order for an experiment to be a success. | A hypothesis does not need to be correct in order for an experiment to be a success. |
You learn something if you reject or validate your hypothesis, but you learn nothing from an [...] experiment. | You learn something if you reject or validate your hypothesis, but you learn nothing from an inconclusive experiment. |
If you can reject a hypothesis, you learn that it is [...]. | If you can reject a hypothesis, you learn that it is false. |
If you validate a hypothesis, you learn that it *may* be [...]. | If you validate a hypothesis, you learn that it *may* be true. |
If you can neither validate nor reject a hypothesis, you learn [...] about the truth of your hypothesis. | If you can neither validate nor reject a hypothesis, you learn nothing about the truth of your hypothesis. |
True or False: All hypotheses are guesses - [...]! | True or False: All hypotheses are guesses *False!* |
A hypothesis does not need to be correct for an experiment to be successful because learning that something is [...] is still learning something! | A hypothesis does not need to be correct for an experiment to be successful because learning that something is NOT true is still learning something! |
An [...] variable is one you alter yourself. | An independent variable is one you alter yourself. |
An independent variable is one you [...]. | An independent variable is one you alter yourself. |
A [...] variable is one you think may depend on the independent variable. | A dependent variable is one you think may depend on the independent variable. |
A dependent variable is one you think may depend on [...]. | A dependent variable is one you think may depend on the independent variable. |