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22 Cards in this Set
- Front
- Back
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What is Accuracy?
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How close a measurement is to the accepted value
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How do you find absolute Error?
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I Measured Value - Accepted Value I
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How do you find Relative Error?
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Absolute Error
---------------------- Accepted Value x 100 |
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What is Precision?
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How close a group of measurements are to each other
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How do you find Absolute Deviation?
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I Measured Value - Mean I
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How do you find Relative Deviation?
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Average of the Absolute Deviations
_______________ Accepted Value X100 |
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How do you know if a graph is a direct proportion?
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1. On the table, If one value goes up, the other goes down
2. The graph is a straight line 3. The Quotient is a constant |
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How do you if the values a an inverse proportion?
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1. As one goes up the other goes down
2. The product is a constant 3. The graph of the inverse of x is a straight line 4. The graph is a hyporbola |
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What is a hyporbola?
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A curved line
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What is an independent variable?
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The one that the expirimenter controls
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What is a dependent variable?
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The one that changes as a result of what the expirimenter does
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What is the correlation coefficient?
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It shows how well the data fit the line. You want it to be close to 1
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List and describe the steps of the scientific method?
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All scientists, obtain data, make predictions, and create compelling explanations that quantitativley describe any phenomena
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What is a Law?
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Describes Law Observations
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What is a Theory?
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Explaination describes observations
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Trailing zeros
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They are significant only if there is a decimal point at the end ex. 2400.
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When using Mult. and Div.
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Count off sig figs in each number
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When using addition and subtraction
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Round off answer to the least precise decimal place
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Weight is measured in?
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Neutons
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What is Mass?
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Amount of matter that makes something up
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What is weight?
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How hard gravity pulls on you
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How do you find the quotient?
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Multiply the two values
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