Bob Jones Chemistry - Chapter 3
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| accuracy | A numerical evaluation of how close a measurement is to an accepted value; the measurement of error.
🗑
|
||||
| base unit | One of seven units in the SI that measures a basic dimension from which all other metric dimensional units are derived. They are the meter, kilogram, second, kelvin, mole, ampere, and candela.
🗑
|
||||
| conversion factor | A ratio that is constructed from the relationship between two units and is equal to 1.
🗑
|
||||
| derived unit | Any mathematical combination of the base units. The SI contains 22 derived units.
🗑
|
||||
| dimension | Any measurable property of the physical universe.
🗑
|
||||
| graduated | Accurately subdivided into measurement units.
🗑
|
||||
| measurement | The act of comparing an unknown quantity to a standard; a number that indicates quantity and is followed by a unit.
🗑
|
||||
| metric system | Any measuring system in which units are related to each other by multiples of 10.
🗑
|
||||
| percent error | A quantity derived from a method that compares the magnitude of the measurement error with the size of the measurement.
🗑
|
||||
| precision | A quantitative evaluation of the exactness of a measurement or measuring instrument; the fineness of a scale's subdivisions.
🗑
|
||||
| scale | A means of measuring that is subdivided into units of measurement.
🗑
|
||||
| SI | The metric system adopted by the scientific community.
🗑
|
||||
| significant digit | A digit that indicates a measurement's precision. Significant digits consist of all the certain digits plus one estimated digit.
🗑
|
||||
| unit | A label used to specify a measurement's dimension, such as "inch" or "meter".
🗑
|
||||
| unit conversion | Multiplication of a measurement by a conversion factor.
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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.
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.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
marchscience
Popular Chemistry sets