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50 Cards in this Set
- Front
- Back
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What is system international? |
In 1960 an international group of scientists developed the SI to provide standard base units. Defined in a system of measurement that is based on an object or event in the physical world. |
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SI base unit for time is _____. |
Second. The second is the frequency of the radiation given off by a cesium-133 atom. |
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SI base unit for length is the _____. |
Meter. Meter is defined as the distance light travels in a vacuum in 1/299,792,458 of a second. |
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SI base unit for mass is the _______. |
Kilogram. Currently a platinum and iridium cylinder kept in aFrance define kilogram. |
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How many meters am I? |
1.35 meters. |
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The SI base unit for temperature is _____. |
Kelvin. |
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_____________ was a German Scientist, who in 1724 came up with a temperature scale. |
Gabriel Daniel Farenheit. |
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What is the boiling point on Gabriel Farenheit's temperature scale? |
212°F |
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What is the freezing point on Gabriel Farenheit's temperature scale? |
32°F |
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_____________ was a Swedish astronomer who advised a temperature scale like like Gabriel Farenheit. |
Anders Celsius. |
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What is the boiling point on Anders Celsius' temperature scale? |
100℃ |
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What is the freezing point on Anders Celsius' temperature scale? |
0℃ |
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____________ was a Scottish Physicist and mathematician. Known as Lord Kelvin. |
William Thompson. |
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At what degree do all motions stop? |
Absolute zero. |
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What is the boiling point on the Kelvin temperature scale? |
373.15 |
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What is the freezing point on the Kelvin temperature scale? |
273.15 |
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The SI base unit for the amount of substance is the ____. |
Mole. |
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The SI base unit for the amount of substance is the ____. |
Mole. |
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When measuring density, how do you convert in order? |
You convert into grams, then into moles, then into atoms. |
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The SI base unit for the amount of substance is the ____. |
Mole. |
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When measuring density, how do you convert in order? |
You convert into grams, then into moles, then into atoms. |
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The SI base unit for electric currents is ______. |
Ampere. |
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The SI base unit for the amount of substance is the ____. |
Mole. |
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When measuring density, how do you convert in order? |
You convert into grams, then into moles, then into atoms. |
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The SI base unit for electric currents is ______. |
Ampere. |
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The SI base unit for luminous intensity is _______. |
Candela. |
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The SI base unit for the amount of substance is the ____. |
Mole. |
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When measuring density, how do you convert in order? |
You convert into grams, then into moles, then into atoms. |
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The SI base unit for electric currents is ______. |
Ampere. |
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The SI base unit for luminous intensity is _______. |
Candela. |
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What is a derived unit? |
Defined as a combination of base units. |
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The SI base unit for the amount of substance is the ____. |
Mole. |
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When measuring density, how do you convert in order? |
You convert into grams, then into moles, then into atoms. |
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The SI base unit for electric currents is ______. |
Ampere. |
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The SI base unit for luminous intensity is _______. |
Candela. |
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What is a derived unit? |
Defined as a combination of base units. |
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What is a liter? |
Is not an SI, but is considered a useful unit for volume. |
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What does a triple beam balance measure/determine? |
Mass. |
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What does a triple beam balance measure/determine? |
Mass. |
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________ refers to when an experimental value is close to an accepted value. |
Accuracy. |
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What does a triple beam balance measure/determine? |
Mass. |
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________ refers to when an experimental value is close to an accepted value. |
Accuracy. |
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__________ is when a group of measurements are close to one another. |
Precision. |
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_______________ is the curved surface of water in a small container. |
Concave meniscus. |
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_______________ is the curved surface of water in a small container. |
Concave meniscus. |
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What do you call this, 1.0 × 10^11? |
Scientific notation. |
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What is dimensional analysis? |
A problem solving technique that uses conversion factors. |
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What is dimensional analysis? |
A problem solving technique that uses conversion factors. |
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______ is defined as the difference between an experimental value and an accepted value. |
Error. |
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What is density? |
Defined as mass per unit volume. |
