Term
|
Definition
| Study of matter and its properties, the changes that matter undergoes, and the energy associated with those changes |
|
|
Term
|
Definition
| Anything that has mass and occupies space |
|
|
Term
|
Definition
| Types and amounts of simpler substances that make it up |
|
|
Term
|
Definition
| The characteristics that give each substance its unique identity |
|
|
Term
|
Definition
| Shows by itself, without changing into or interacting with another substance |
|
|
Term
|
Definition
| Shows as it changes into or interacts with another substance (or substances) |
|
|
Term
| Chemical change/Chemical reaction |
|
Definition
| Substance (or substances) is converted into a different substance (or substances) |
|
|
Term
|
Definition
|
|
Term
|
Definition
| Has a fixed shape that does not conform to the container shape |
|
|
Term
|
Definition
| Conforms to the container shape but fills the container only to the extent of the liquid's volume, forms a surface |
|
|
Term
|
Definition
| Conforms to the container shape also, but it fills the entire container and does not form a surface |
|
|
Term
|
Definition
| Energy due to the position of the object |
|
|
Term
|
Definition
| Energy due to the motion of the object |
|
|
Term
|
Definition
| Flexible process of creative thinking and testing aimed at objective, verifiable discoveries about how nature works |
|
|
Term
|
Definition
| Quantities that can have more than a single value |
|
|
Term
|
Definition
| Measures the effect of one variable on another while keeping all others constant |
|
|
Term
|
Definition
| Pieces of quantitative information are data |
|
|
Term
|
Definition
| When the same observation is made by many investigators in many situations with no clear exceptions often summarzied in matical terms |
|
|
Term
|
Definition
| Conceptual Models based on experiments |
|
|
Term
|
Definition
| Ratios used to express a measured quantity in different units |
|
|
Term
|
Definition
| Used of conversion factors in calculations (units represent physical dimensions) |
|
|
Term
|
Definition
Kg,m,s,K,A,mol,cd
French Systeme International d'Unites |
|
|
Term
| Fundamental Units/Base Units |
|
Definition
| Each of which is identified with a physical quantity (look at SI Units) |
|
|
Term
|
Definition
| Combinations of these seven base units (speed, density) |
|
|
Term
|
Definition
|
|
Term
|
Definition
| Amount of space that the sample occupies cubic meter |
|
|
Term
|
Definition
| Object refers to the quantity of matter it contains, kilogram |
|
|
Term
|
Definition
| Mass stays constant but weight depends on the mass and the strength of the local gravitational field pulling on it |
|
|
Term
|
Definition
|
|
Term
|
Definition
| Those dependent on the amount of substance present (Mass and volume) |
|
|
Term
|
Definition
| One that is independent of the amount of substance (density) |
|
|
Term
|
Definition
| Measure of how hot or cold a substance is relative to another substance |
|
|
Term
|
Definition
| The energy that flows between objects that are at different temperature |
|
|
Term
|
Definition
| Device that contains a fluid that exapands when it is heated |
|
|
Term
|
Definition
|
|
Term
|
Definition
| Based on changes in the physical state of water |
|
|
Term
|
Definition
|
|
Term
|
Definition
| Limited specifications of an instrument and imperfect skills and senses to read them |
|
|
Term
|
Definition
| Digits that we record in measurement certain or uncertain ones |
|
|
Term
|
Definition
| Obtaining the proper number of sig figs |
|
|
Term
|
Definition
| No uncertainty associated |
|
|
Term
|
Definition
| Reproducibility refers to how close the measurements in a series are to each other |
|
|
Term
|
Definition
| Refers to how close a measurement is to the actual value |
|
|
Term
|
Definition
| Produces value that are either all higher or all lower than the actual value. Often caused by a faulty measuring device or by a consistent mistake in taking a reading |
|
|
Term
|
Definition
| Absence of systematic error produces values that are higher and lower than the actual value. Always occurs but size depends on the measurer's skill and the instrument's precision |
|
|
Term
|
Definition
| Comparing it with a known standard |
|
|
