Term
| What is a way to describe the world with numbers? |
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| anseres questions such as how much, how long, or how far |
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| What else can measurements do? |
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Term
| What can help you make a rough measurement of an object? |
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| What can you use to estimate measurements? |
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Term
| What word do you often use when you estimate? |
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| What is a description of how close measurements are to eachother? |
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Term
| What do you do when you compare a measurement to the real value? |
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Definition
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Term
| How do you round a digit? |
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Definition
| look at the digit to the right of the place being rounded to |
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Term
| What digits are deleted if they are also to the right of a decimal? |
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Definition
| the digits to the right of the digit being rounded |
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Term
| What is the number of digits that truly reflect the precision of a number? |
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Definition
| significant digits or significant figures |
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Term
| What digits are always significat? |
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Definition
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Term
| What zeros after a decimal point are significant? |
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Term
| Zeros between any other digits are what? |
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Term
| What zeros are NOT significant? |
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Term
| For what operation do you determine thenumber of significant digits in your problem? The significant digits of your answer are determined by the number with fewer digits. |
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Definition
| multipication and division |
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Term
| For what operation do you determine the place value of each number in you problem? The significant digits of anser are determined by the number that is least precise. |
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Term
| How do scientists avoid confustion? |
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Definition
| they establishe the International systems of Units or SI, in 1960 as the accepted system for measurement |
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Definition
| as the distance between two points |
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Term
| What is the SI unit for length? |
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Term
| What is the amount of space an object occupies? |
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| How can smaller objects be measured? |
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Definition
| in centimeters or millimeters |
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Term
| The mass of an object measures what? |
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Definition
| the amount of matter in the object |
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Term
| What is the SI unit for mass? |
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Term
| What is a measurement of force? |
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| What is the SI unit for weight? |
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| the measure of the kinetic energy, or energy of motion, of the particles that make up matter |
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Term
| Wat is the SI unit for temperature? |
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Term
| What is the interval between two events? |
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Term
| What is the SI unit for time? |
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Term
| What is Time measured in? |
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Term
| What is the amount of change of one measurement in a given amount of time? |
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