Chapter 2.3 Scientific Research and Tools Flashcards
What ate the two main types of scientific research?
Qualitative
Quantitative
Define observation
Process of gathering information about events or processes in an orderly way
Define data
Information gathered from observation
Define inference
Logical interpretation based on prior knowledge, experiences and/or collected data
Research in which data is numerical
Quantitative research
Research based on data observation
Qualitative research
Research in which data is descriptive
Qualitative research
List some tools that are used in qualitative research.
Binoculars, camera, tape recorder
List some tools that are used in quantitative research.
Thermometer, balance, stopwatch
What is the decimal system of units based on a scale in multiples of ten called?
Metric system
What are devices that produce magnified images of structures that are too small to be seen with the naked eye called?
Microscopes
What type of microscope allows light to pass through the specimen?
Compound light microscope
What type of microscope uses beams of electrons rather than light to form image?
Electron microscope
How much more detailed is an electron microscope than a compound light microscope?
1000 times
Which type of microscope uses two lenses to form an image?
Compound light microscope