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- in an experiment, the factor that is deliberately manipulated
- what the scientist changes in the experiment
- in an experiment, the factor that changes as a result of manipulation of one or more other factors (the independent variables)
- what you measure in the experiment
in an experiment, a group that serves as a standard of comparison with another group to which the control group is identical except for one factor
the basic unit of length(symbol, m)
the basic unit if volume
the basic unit of weight
a measure of the amount of matter in an object
a measure of the gravitational force exerted on an object
- a method of expressing a quantity as a number multiplied by 10 to the appropriate power
- example. 24327 = 2.4327 x 104
543 any normal number
- D = dependent variable
- R = responding variable
- M = manipulated variable
- I = independent variable
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
- 1. Identify the problem or question
- 2. Make an observation(do research)
- 3. Write your hypothesis
- 4. Design and conduct a experiment
- 5. Collect and analyze the dada
- 6. Write a conclusion
- 7. Communicate results
- properties that are always the same whether the sample observed is large or small
a conclusion that is based on facts but that is not the direct and absolute result of those facts
- Deals with descriptions.
- Data can be observed but not measured.
- Colors, textures, smells, tastes, appearance, beauty, etc.
- Qualitative → Quality
- Deals with numbers.
- Data which can be measured.
- Length, height, area, volume, weight, speed, time, temperature, humidity, sound levels, cost, members, ages, etc.
- Quantitative → Quantity