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BCMS Chapter 1

Chapter 1 Vocabulary

QuestionAnswer
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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