stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Variables/Hypothesis/Scientific Method Terms Flashcards | StudBud
Explore
/
Variables/Hypothesis/Scientific Method Terms
Variables/Hypothesis/Scientific Method Terms
27 terms
·
StudBud Administration
·
1,477 plays
Quiz 1: Variables/Hypothesis/Scientific Method Terms
Flashcards
27 cards
F
Practice quiz
P
Host live
L
Questions
27
Answers
1
Mrs. Gerbasi will provide an example experiment use it to answer the next 3 questions:
OK
OK
2
What is the independent variable?
salt water vs. pure water
greenhouse
petunia plants
height of plant
3
Typically a hypothesis is written as an “if…then…___________...” statement.
this is not how a hypothesis is typically written
now
also
because
4
What is wrong with this example?
there are too many independent variables
there is no independent variable
there are too many controlled variables
there is no dependent variable
5
In order to be accurate, an experiment must have __ independent variable(s)?
as many as you want
0
2
1
6
A(n) _____ variable helps to keep the experiment “fair” because it is kept the same.
independent
controlled
uncontrolled
dependent
7
What is normally the first step in designing an experiment?
designing an experiment
these all happen at the same time
research
observation
8
an evaluation of the experimental design, specifically, the control
error analysis
experiment
hypothesis
observation
9
scientific information—can be represented in the form of graphs, data charts, etc.
theory
data
observation
error analysis
10
“An increase in asthma is due to the increase in atmospheric carbon dioxide”
is an example of a good hypothesis
provides an explanation for the prediciton
is unethical
11
What is the dependent variable?
greenhouse
petunia plants
height of plant
salt water vs. pure water
12
the procedure used for an experiment (includes: methods & materials needed for the experiment)
experimental design
data
hypothesis
theory
13
a unifying explanation that has
withstood many challenges and questions/criticisms
data
experimental design
theory
hypothesis
14
a test of a hypothesis
experiment
error analysis
conclusion
theory
15
A hypothesis needs to ________________ for an occurrence/situation.
provide a wild guess
give a reason/explanation
16
You must be able to design an experiment that can _____________________ the hypothesis.
reject
all of the above
test
support
17
A(n) ____ variable is what a scientist CHANGED in the experiment-to see if it created an effect
independent
uncontrolled
dependent
controlled
18
A(n) _____________ variable is what the scientist is measuring/observing
independent
controlled
uncontrolled
dependent
19
using the five senses to describe things and events
experiment
data
error analysis
observation
20
The rejection or affirmation of the hypothesis for the experiment
conclusion
theory
error analysis
observation
21
a proposed explanation for an observation, based on research or previous observations.
conclusion
hypothesis
analysis
observation
22
What are the control variables? (Select the TWO correct answers!!!)
petunia plants
height of plant
salt water vs. pure water
greenhouse
23
Mrs. Gerbasi will provide the next experiment example. Use it to answer the next 2 questions:
OK
OK
24
Which of the following is necessary for a hypothesis to be considered “good”?
it uses the word “I” at least once
it is based on background information and research
it is complicated and difficult to understand
it appropriately states an opinion
25
The statement, “My interactive science notebook will increase my science grade” is considered:
a prediction
an experiment
an observation
a hypothesis
26
What would you change to fix it?
place them all in the same place
change half of the plants into sunflower plants
measure the weight of the plant as well
change the experiment to 12 weeks instead of 8
27
How can scientists measure something?
by height
by weight
by counting
all of the above
