Vocab from the NOS unit
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| observation | Using one or more of your senses to gather information
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| constant | Conditions in an experiment that are kept the same
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| precision | Close, repeated measurements
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| inference | An educated guess based on previous knowledge or cues
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| prediction | An educated guess about what will happen in the future
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| control group | Variables are compared to this "normal" group that isn't changed.
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| meter | Metric unit of measurement for distance
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| liter | Metric unit of measurement for volume
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| International System of Units | Metric system, based on powers of 10
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| accuracy | How close a measurement is to the correct value
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| hypothesis | Explanation of an observation that can be tested
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| independent variable | This is what the scientist changes in an experiment
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| gram | Metric unit of measurement for mass
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| scientific law | Rule that describes a repeatable pattern in nature
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| dependent variable | What is measured or observed in an experiment
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| experiment | A test of the hypothesis
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| scientific theory | An explanation (why or how) of observations that have occurred many, many times
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| scientific notation | A method of writing large and small numbers in a shorter form
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| quantitative | Observations that include numbers
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| qualitative | Observations that are descriptions
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| volume | Amount of space an object takes up, use grad. cyl. or LxWxH
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| mass | Amount of matter in an object, use scale or TBB
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| density | amount of mass per unit volume (m/v)
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| density of water | 1 g/ml
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| water displacement | Method used to find volume of a solid
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| 3 metric base units | meter, liter, gram
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| 1 cm = ? mm | 10 mm
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| Name the metric prefixes in order from biggest to smalles | Kilo, Hecto, Deka, (base unit), deci, centi, milli
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| 1 meter = ? cm | 100 cm
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| triple beam balance | tool for measuring mass (units are grams)
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| graduated cylinder | tool for measuring volume of a liquid (units are ml)
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| measuring irregular solid volume | water displacement (like a rock or ball)
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| measuring regular solid volume | Measure with a cm ruler and multiply: LxWxH
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| density | measures how tightly packed particles are in an object
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| density of objects that float in water | less than 1 g/cm^3
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| density of objects that sink in water | greater than 1 g/cm^3
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| To calculate the density of an object | D = mass divided by volume
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
jhenretta
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