問題一覧
1
a good scientific question
can be answered and testable, can be tested by some measurement or experiment that you can do, builds on what you already know, when answered, leads to other good questions
2
any variable that you keep the same in order to allow for a fair test
control variables
3
using your senses to gather information about an object or event.
observing
4
is when the categories used to classify your qualitative data fall into a natural order or hierarchy.
ordinal qualitative data
5
require explanations, prior knowledge, and are testable. these require a more in-depth answer that requires testing.
experimental questions
6
is gathered by measuring and counting.
quantitative data
7
These are basic data collecting questions. They are useful in building knowledge.
verification questions
8
can be placed on a continuum and infinitely broken down into smaller units. It can take any value;
continuous quantitative data
9
is collected by interviewing and observing.
qualitative data
10
There are many different types of graphs:
bar graphs, line graphs and pie charts
11
coarse adjustment knob
used for initial and low power adjustment
12
fine adjustment knob
used for fine tuning and high power focusing
13
are used to visualize data and identify patterns.
graphs
14
require an explanation and prior knowledge.
significant or theory questions
15
objectives
lenses that receive the light from the field of view and form the first image
16
refers to any information that can be quantified. If it can be counted or measured, and given a numerical value, it’s ___________.
quantitative data
17
sources primarily came from personal experiences or the things a researcher has observed in his or her everyday living. It comes from inclinations, views, or values.
personal sources
18
stage clip or stage clips
holds the slide in place
19
They can be used to display numerical data, text, or a combination of both.
tables
20
arm
supports the ocular, objectives and body tubes
21
also known is INPUT variable
independent variable
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grouping or ordering objects or events into categories based upon characteristics or defined criteria.
classifying
23
illuminator
source of light
24
using standard measures or estimations to describe specific dimensions of an object or event.
measuring
25
body tube
tubes or barrels between the ocular and the objectives
26
are useful when you need to present a large amount of data in a compact and easy-to-read format.
tables
27
formulating assumptions or possible explanations based upon observations.
inferring
28
using words, symbols, or graphics to describe an object, action or event.
communicating
29
guessing the most likely outcome of a future event based upon a pattern of evidence.
predicting
30
takes on fixed numerical values and cannot be broken down further.
discrete quantitative data
31
ocular
magnifies the image formed by the objective
32
are used to present data in a structured and organized manner
tables
33
stage
supports the slidw and the specimen
34
base
foundation which supports the whole microscope and keeps it stable
35
These are highly reputable sources that underwent rigorous review process.
scholarly sources
36
these sources come from newspaper, magazines, radio, television, and internet sources.
non-scholarly sources
37
the thing you change or manipulate in an experiment, the thing you are testing
independent variable
38
it is the thing that you measure or observe, it is the results of the experiment.
dependent variable
39
nosepiece
locks the objective lens into position over the stage
40
is used to label or categorize certain variables without giving them any type of quantitative value.
nominal qualitative data
41
cannot be measured or counted. It’s descriptive, expressed in terms of language rather than numerical values.
qualitative data
42
____________ is a common practice in data analysis.
organizing data into tables and graphs
43
diaphragm
controls the amount of light reaching the specimen
44
the systematic investigation into and study of materials and sources in order to establish facts and reach new conclusions.
research