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Phys science chp 1

Physical science chapter 1

QuestionAnswer
Name four different graphs. 1. Data tables 2. Line graphs. 3. Bar graphs. 4. Circle graphs
What is science? A system of knowledge and the methods you use to find that knowledge.
What are the three branches of natural science? 1. Earth and space science. 2. Life science. 3. Physical science.
What are the branches of life science? Biology which is the physics and chemistry of living things.
The branches of physical science Chemistry and physics
Branches or earth and space science Astronomy and geology
Which step is obtained through your senses Observation
Steps of the scientific method 1. Make observation. 2. Ask a question. 3. Develop hypothesis. 4. Test hypothesis with an experiment. 5. Analyze data and draw conclusions. 6. Hypothesis is or isn't supported. 6. Is - test with further experiments and develop theory. 7. Isn't- new hypo
Statement that summarizes a pattern found in nature Scientific law
Why are models important? They make it easier to see/understand things the are to big or to small to see
Water boils at what degree C 100 degrees C
Precision A gauge of how exact a measurement is
How do scientists communicate when they speak different languages? Emails websites or translators
Peer review Make sure data is accurately reported. Give encouragement criticism ideas opinions. Can pick up where other scientists left off.
Base unit for mass Kilogram kg
Si for length Meter m
Si for temperature Kelvin k
Si for time Second
Si for amount of substance Mole mol
Si for electric current Ampere A
Si for luminous intensity Candela cd
Manipulated variable The variable that causes a change in another
Significant figures All the digits that are known in a measurement, plus the last digit that is estimated
What relationship exists between mass and volume You can divide the base unit mass by the derived unit volume to get the density of An object
The responding variable on a graph It's usually on the vertical axis, y axis
Seconds to milliseconds 1 second equals 1000 milliseconds.
Created by: Bethany.jordan
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