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Chem. Basics Vocab
Basics Vocabulary
| Question | Answer |
|---|---|
| Chemistry | the study of matter and the changes that matter undergoes. |
| Matter | anything that has a mass & volume |
| Mass | the measure of the amount of matter an object contains (how much it weighs) |
| Weight | mass x gravity bigger plant-more mass smaller plant- less mass |
| Volume | how much space something takes up |
| Organic Chemistry | chemistry dealing with carbon (living) |
| Inorganic Chemistry | chemistry dealing without Carbon (nonliving) |
| BioChemistry | the chemistry behind biological processes (photosynthesis, DNA..etc...) |
| Analytical Chemistry | composition of matter (percentages-blood, air) |
| Physical Chemistry | mechanism, rate & energy transfer occurred when matter changes |
| Technology | the means to provide society with things needed and desired in a more efficient way |
| Energy | the capacity for doing work or producing heat |
| Observation | using your senses to obtain information (see and hear) |
| Hypothesis | a proposed explanation for an observation AFTER doing some research on the topic |
| Procedure | steps to follow during an experiment |
| Independent Variable | (on x-axis) the variable that you change |
| Dependent Variable | (on y-axis)the variable that responds or depends on the independent variable |
| Inference | to make an interpretation BASED on an observation (different than an observation) |
| Theory | a well-tested explanation for a broad set of observations |
| Law | a well-tested description for observation |
| Substance | element or compound |
| Element | simplest form of matter |
| Compound | more than 1 element combined |
| Physical Property | condition of a substance that be observed without changing its composition |
| Chemical Property | condition of a substance that can be observed BY changing it composition |
| Chemical Change | change that produces different composition (gas forms, temperature change, precipitation form, color change.) |
| Physical Change | change that doesn't change composition |
| Solids | form of matter that has an definite shape and volume |
| Liquids | Forms of matter that has an indefinite shape, flows yet has a fixed volume |
| Gas | form of matter that takes both the shape and volume of its container |
| Vapor | describes that gaseous state of a substance that is generally a liquid or solid at room temperature, as in water vapor |
| Mixture | a physical blend of 2 or more substances |
Created by:
xsarahxbellx1
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