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26 Cards in this Set
- Front
- Back
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a spoken or written summary of observations |
description |
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an interpretation of observations |
explanation |
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the International System of Units (SI) is the internationally accepted system of |
measurement |
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seven standards of measurement, or _____________ units are the meter, kilogram, secon, ampere, kelvin, mole, and candela |
base |
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in the SI system, factors of ten are represented by ____________ |
prefixes |
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any SI unit can be converted to another by multiplying or dividing by a power of ___________ |
ten |
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a description of how similar or close measurements are to each other is ? |
precision |
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a description of how close a measurement is to an accepted value is called ? |
accuracy |
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all measurements have some degree of error, or _____________ |
uncertainty |
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scientists use ______________ to write or display very small or very small or very large numbers |
scientific notation |
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the expression of error as a percentage of the accepted value is called ? |
percent error |
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a science ___________ is used to record observations, write questions and hypotheses, collect data, and analyze the results of scientific inquiry |
journal |
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to measure the masses of objects, you would use a ? |
balance |
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two common types of balances are the ___________ balances and the triple beam balance |
electronic |
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laboratory _________ is used to hold or measure liquids |
glassware |
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to measure the volume of liquids, a scientist would use a __________ |
litter |
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the temperature of substances is measured using a |
thermoter |
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the Kelvin is the SI unit for temperature, but in the science classroom temperature is often measure in degrees ___________ |
celsius |
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scientists use ____________ to make quick calculations using data |
calculators |
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some uses of ____________ are to prepare research reports and to share their data and ideas with investigators worldwide |
computers |
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hardware is the ___________ components of computers, such as the monitor and the mouse |
physical |
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word processing, spreadsheet, and presentations programs are examples of _________ programs that are run on computers |
presentation |
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electronic ________ can be attached to computers and handheld calculators to record measurements |
probes |
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to estimate the acidity of a liquid substance you can use ___________ paper |
Ph |
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a ____________ is a small heating device that can be placed atop a table or a desk |
hot plate |
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to measure the weight or the amount of force applied to an object, you could use a _________ |
spring scale |
