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Introduction to Scientific Studies Flashcards | StudBud
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Introduction to Scientific Studies
Introduction to Scientific Studies
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Unit 1: LWC Biology
Flashcards
28 cards
F
Practice quiz
P
Host live
L
Questions
28
Answers
1
a factor in an experiment that is observed or measured
hypothesis
dependent (responding) variable
independent (manipulated) variable
control group
2
use of one or more of the senses to gather information
observation
theory
data
hypothesis
3
Observation vs inference
no difference
observation what we see, inference what we conclude
observation what we think, inference what happens
observation what we see inference what we hear
4
Science that seeks to understand the living world
Astronomy
Chemistry
Geology
Biology
5
basic unit of all forms of life
organ system
tissue
cell
organ
6
The one factor that is not changed; used for comparison against experimental variables
qualitative data
control
dependent variable
independent variable
7
Which of the following is NOT quantitative data?
8.1 cm
284 ml
white participate
5.5 km
8
Does adding Nitrogen to the soil affect plant growth? Identify the a controlled variable.
Amount of water given
Plant growth
Nitrogen
9
Does adding Nitrogen to the soil affect plant growth? Identify the independent variable.
Nitrogen
Amount of water given
plant growth
10
group of organs that work together to perform a specific function
cells
organ
organ system
tissue
11
Where does the dependent variable go on a graph?
across the top
on the y axis
on the x axis
it doesn't matter
12
evidence; information gathered from observations
theory
data
scientific law
hypothesis
13
Where does the independent variable go on a graph?
across the top
on the y axis
it doesn't matter
on the x axis
14
What is the last step of the scientific method?
Form a hypothesis
Record and analyze results
Set up a controlled experiment
Draw conclusion
15
What is a theory?
well tested explanation to unify broad range of observations
first step of a controlled experiment
another word for hypothesis
same as a conclusion of an experiment
16
process by which organisms maintain a controlled (stable) internal environment
evolution
growth
homeostasis
development
17
Qualitative vs Quantitative
Qualitative is numbers Quantitative is observations
Qualitative is observations and Quantitative is numbers
Qualitative is data and Quantitative is symbols
Symbolic vs Graphs
18
Characteristic of life is essential for survival of the species, but not each individual
development
reproduction
homeostasis
made of universal genetic code
19
Which is the correct sequence of life's organization? (smallest to largest)
-organ-organism-organ system-cell-tissue
organism-organ system-organ-tissue-cell
tissue-cell-organ system-organ-organism
cell-tissue-organ-organ system-organism
20
a change in species over time
homeostasis
development
growth
evolution
21
What characteristic of life is pictured?
Living things respond to their environment
Living things reproduce
Living things maintain stable internal environment
Living things are made of cells
22
a factor in an experiment that is changed or manipulated
controlled variable
observation
independent (manipulated) variable
dependent (responding) variable
23
What is the first step in the scientific method?
Draw conclusion
Record and Analyze Data
Form a hypothesis
Make observation/state the problem
24
logical interpretation based on prior knowledge and experience
hypothesis
data
inference
observation
25
group of similar cells that perform a particular function
organ
cell
organ system
tissue
26
Which of the following characteristic of life explains why bears hibernate in winter?
living things are based on universal genetic code
living things are made of units called cells
living things maintain internal environment
living things respond to their environment
27
Does adding Nitrogen to the soil affect plant growth? Identify the dependent variable.
Amount of water given
Nitrogen
Plant growth
28
What characteristic of life is pictured?
homeostasis
development
evolution
responds to environment
