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30 Cards in this Set
- Front
- Back
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spoken or written summary of observations |
description |
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observation that uses the senses |
qualitative |
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observation that uses numbers |
quantitative |
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interpretation of observations |
explanation |
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internationally accepted system or International System of Units is used for ? |
measurement |
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the seven units are the meter, kilogram, second, ampere, kelvin, mole, candela. what are they called |
base units |
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description of how similiar or close measurements are to each other |
accuracy |
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thermometer with measurements divided into tenths is more ______________ than a thermometer with measurements divided into whole numbers |
accurate |
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when you take a measurement, some numbers you estimate and some numbers you ? |
know for certain |
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number of digits in a measurement that are know with a certain degree of reliability |
significant digits |
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when you use a significant ______________, others can know how certain your ___________________ are |
answers |
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used to record descriptions, explanations, plans, and steps |
science journal |
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you record steps of the scientific ______________ in a journal |
science method |
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used to measure the mass of an object |
balance |
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temperature of substances is measured using what? |
therometer |
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what is the SI unit for temperature |
Kelvin (K) |
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temperature is measured in degrees ? |
Cecsius |
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therometers should never be used for ? |
stir things |
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liquids are held, poured, heated, and measured in laboratory ? |
glass ware |
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used to observe small objects that cannot be observed with an unaided eye |
compound microscope |
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used to compile, retrieve, and analyze date for reports |
computers |
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computers are used to create |
reports and other documents and to research information |
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hardware is the ____________ of computer |
physical comonents |
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term used for programs that run on computers |
software |
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handheld lens enlarges or ___________ objects |
magnifies |
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the image of the objects made large in order to observe are made large through? |
magnifying lens |
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to prepare objects or substances for observation under a compound microscope, you would use a thin, rectangular piece of glass called? |
slide |
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scalpels and scissors are what kind of tools |
dissecting tools |
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what are dissecting tools used for |
examine tissues, organs, or prepared organisms |
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small glass or plastic tube similar to and eyedropper, used to pick up liquid |
pippette |
