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BCMS Chapter 1
Chapter 1 Vocabulary
| Question | Answer |
|---|---|
| Science | is 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 |
| Scientific Method | is a series of steps followed to solve problems |
| Hypothesis | is an explanation that is based on prior scientific research or observations and can be tested |
| Controlled Experiment | is an experiment that tests only one factor at a time by using a comparison of a control group with an experimental group |
| Variable | is a factor that changes in an experiment in order to test a hypothesis |
| Model | is a pattern, plan, representation, or description designed to show the structure or workings of an object, system, or concept |
| Theory | is an explanation that ties together many hypotheses and observations |
| Law | is a summary of many experimental results and observations; a law tells how things work |
| Meter | is the basic unit of length in the SI |
| Area | is a measure of the size of a surface or region |
| Mass | is a measure of the amount of matter in an object |
| Volume | is a measure of the size of a body or region in three-dimensional space |
| Temperature | is the measure of how hot (or cold) something is |
| Density | is the ratio of the mass of a substance to the volume of the substance |
| Zoologist | is a person who studies the lives of animals |
| Geochemist | is a person who specializes in the chemistry of rocks, minerals, and soil |
| Oceanographer | is a person who studies the ocean |
| Volcanologist | is a person who studies volcanoes |
| Factor | is anything that can influence an experiment's outcome |
| International System of Units (SI) | is a global measurement system used by most scientists around the world |
| Significant Figures | are the digits in a measurement that are known with certainty |
| Metric Ruler | is used to measure length in SI units |
| Graduated Cylinder | is used to measure the volume of a liquid in SI units |
| Digital Scale | is used to measure mass in SI units |
| Density | equals mass divided volume |
| Area | equals length times width |
| Thermometer | is used to measure temperature in SI units |
| 100 degrees Celsius | is the temperature at which water boils |
| 0 degrees Celsius | is the temperature at which water freezes |
| 37 degrees Celsius | is our normal body temperature |
Created by:
coomesk
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