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Physical Science Vo.
Vocab for Chapter 1
| Science | the knowledge obtained by observing natural events and conditions in order to discover facts and formulate laws or principles that can be verified or tested |
| Physical Science | the scientific study of nonliving matter |
| Scientific Methods | a series of steps followed to solve problems |
| Observation | the process of obtaining information by using the senses |
| Hypothesis | an explanation that is based on prior scientific research or observations and that can be tested (aka educated guess) |
| Data | any pieces of information acquired through observation or experimentation |
| Model | a pattern, plan, representation, or description designed to show the structure or workings of an object, system, or concept. |
| Theory | an explanation that ties together many hypotheses and observations |
| Law | a summary of many experimental results and observations; a law tells how things work |
| Mass | a measure of the amount of matter in an object |
| Volume | a measure of the size of an object or region in a three-dimensional space (fills up) |
| Density | the ratio of the mass of a substance to the volume of the substance |
| Temperature | a measure of how hot (or cold) something is; specifically, a measure of the average kinetic energy of the particles in an object |