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47 Cards in this Set
- Front
- Back
The latin word for science.
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Scire
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What does Scire mean?
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To know
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What is the goal of science?
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To describe and understand the world around us.
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Scientists solve problems in a systematic way called?
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scientific method
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What do scientists create when they come to conclusions about their data and observations?
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theory
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The steps of the scientific method.
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1. problem 2. gather information
3. hypothesis 4. experiment 5. analyze data 6. conclusion 7. repeat work 8. write a report |
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Who created the metric system?
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French
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What is the only major country that does not use the metric system?
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USA
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What is the proper name for the metric system?
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International System of Units or SI
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What are the 3 base units in the metric system?
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meter, liter, gram
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What is the metric system based on?
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unit of length called the meter
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How big is a meter?
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1/10,000,000 of the distance from the equator to the north pole through Paris
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What number system is the metric system based on?
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base 10 or the decimal system
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milli-
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1/1000
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centi-
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1/100
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deci-
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1/10
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deca-
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10
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hecto-
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100
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kilo-
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1000
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Mass is measured in?
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grams
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Length is measured in?
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meters
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Volume is measured in?
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liters
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Temperature is measured in?
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degrees Celsius
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Time is measured in?
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seconds
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graduated cylinder
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used for accurate measurements of liquids
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beaker
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used to mix, store, measure substances
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tripod
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holds beaker above the bunsen burner
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bunsen burner
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used to heat up substances
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dropping pipet
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used to add drops or small amounts of liquids
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electronic balance
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used to measure mass
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meterstick
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used to measure length
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microscope
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used to view microscopic objects
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test tube
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used to mix, heat or cool substances
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Celsius thermometer
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used to measure the amount of heat
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pyrex
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special glassware that can be heated up and cooled down without breaking
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Benedict's solution
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used to test for the presence of sugar
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indicator
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a chemical that changes color in the presence of a particular substance
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life science
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the study of living things
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scientific method
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systematic approach to problem solving
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law
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summarizing statement of observed experimental facts that has been tested many times and is generally accepted as true
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theory
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most logical explanation for events that happen in nature
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variable
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factor being tested in an experiment
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control experiment
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experiment done in exactly the same way as another experiment, but without the variable
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data
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recorded observations and measurements
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hypothesis
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suggested solution to a problem
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observation
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a fact derived from our senses
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standard
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a fixed quantity accepted by everyone when measuring an object
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