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Scientific Method/Characteristics of life Flashcards | StudBud
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Scientific Method/Characteristics of life
Scientific Method/Characteristics of life
40 terms
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A #science #biology review
Flashcards
40 cards
F
Practice quiz
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Host live
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Questions
40
Answers
1
Which of the following is an observation?
Roses are pretty.
The leaves on the tree are green.
Baseball is fun.
My dog is the best.
2
What skill is a scientist using when she listens to the sounds that whales makes?
making observations
drawing conclusions
interpreting data
making a hypothesis
3
The final part; a summary of reasonable inferences is a/an
conclusion
controlled experiment
question
hypothesis
4
When you decide whether or not the data supports the original hypothesis, you are
making observations
forming a hypothesis
drawing conclusions
asking questions
5
Qualitative observations are
numbers only
sometimes words and numbers
words only
words and numbers
6
Which of these is not a characteristic of life?
Reproduces
Stimuli Response
Composed of Cells
Movement
7
What is the smallest unit of life, considered to be fully alive?
atom
DNA
Organ
Cell
8
The clock chimed twice. Observation or Inference?
Inference
Observation
9
To be a valid experiment you should have...
an experimental group
all of the above
one changed variable
a control group
10
________ is the study of life.
Biology
Anatomy
Genetics
Physics
11
A hypothesis is an educated guess that must be
testable
proven true
made a theory
made a law
12
When a scientist shares her findings with other scientists, she is
analyzing data
experimenting
communicating results
making a hypothesis
13
This has all the characteristics of life and consists of one or more cells
molecule
organism
atom
tissue
14
An inherited trait that gives an organism a better chance of surviving in its environment.
adaptation
homeostasis
response to stimuli
evolution
15
In an experiment, the one variable that is changed is called the
independent variable
experimental variable
controlled variable
dependent variable
16
The control is ____
the test group
the data
what the test group is compared to
what remains the same between the two groups
17
IF a theory is challenged by new evidence, which of the following would occur?
a vote is taken on whether to accept the new evidence
the theory is accepted, not the evidence
the evidence is wrong
the theory could be changed
18
An individual organism can evolve over one lifetime
True
False
19
Individuals who are related, have common characteristics and can breed.
Environment
Offspring
Organism
Species
20
The increase in the amount of living material is known as...
development
homeostasis
stimuli
growth
21
A hypothesis must be...
experimental
testable
observed
proven correct
22
The child's temperature was 101 degrees. Quantitative or Qualitative?
Quantitative
Qualitative
23
When the teacher turned on the light in the classroom, the students squinted. Squinting is a...
response
stimulus
24
A good experiment is
never retested
has more than one changed variable
performed only once
repeatable
25
The process of obtaining information by using the senses is called a/an
inquiry
scientific method
conclusion
observation
26
The first step of the scientific method involves
making observations
predicting the result of an experiment
forming a hypothesis
performing an experiment
27
A series of steps designed to help you solve problems and answer questions
scientific method
experiment
observation
hypothesis
28
Which of the following is an example of development?
a tree trunk widens
a tadpole becomes larger
a fish becomes larger
29
A hypothesis is a _____ of the outcome of the experiment.
mistake
observation
conclusion
prediction
30
Theories help scientists to ...
propose new ideas about how the world works
explain large bodies of data
determine truth from lies
prove hypotheses
31
Which of the following is NOT a rule when writing a hypothesis?
It is an if/then statement
It is testable
It should restate the question
It is a prediction
32
Pupils shrink when sudden bright light is beamed into the eye. The light is an example of a ...
response
stimulus
33
Ultimately, all scientific knowledge comes from...
textbooks
only experimentation
both experimentation and observation
only observation
34
How do you test a hypothesis?
gather data
perform an experiment
make a graph
record results
35
For an organism to be considered a living thing, it must have ALL the characteristics of life
False
True
36
How many characteristics define life?
8
7
86
9
37
What is the definition of a controlled experiment?
where the person changes one variable at a time.
changes the whole thing.
the one you measure.
just one more.
38
In an experiment, the factor that we measure is called the
dependent variable
independent variable
controlled variable
experimental variable
39
The process of keeping internal conditions stable when external conditions change is called ...
stimulus
metabolism
homeostasis
evolution
40
In which step of the scientific method do we want to use graphs
communicate results
asking questions
analyze data
making a hypothesis
