What is a constant variable?

variable that remains the same in all trials

Which of the following applies only to a theory

supported by extensive amount of data

What is a control variable?

used to compare to all other trials

What is an independent variable?

the variable being changed on purpose

When is a hypothesis made?

after observations, before experiment

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Experimental Design Biology

21 termsStudBud Administration239 plays

scientific method, variables, experiment, hypothesis, theory

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Questions 21

Answers

1
What is the minimum number of times should a experiment be completed to have valid results?
3
2
4
1
2
What is the dependent variable in the graph shown?
distance from Tv
color of eyes
% eyesight left
type of TV
3
What is a constant variable?
used to compare to all other trials
the variable being changed on purpose
variable that remains the same in all trials
variable being measured
4
What do we use to make observations?
computers
5 senses and tools
our eyes
writing notes
5
What is the dependent variable in "Do all brands of lightbulbs last the same amount of time?"
40W
amount of time
the type of lightbulb
electrical socket
6
Observations are converted to.....
data
not used
notes
theories
7
Which of the following applies only to a theory
supported by extensive amount of data
created by a scientist
testable
uses observations
8
Which is a question science canNOT answer?
What determines eye color?
Where does lava come from?
What makes something alive?
Do trolls exist in real life?
9
The "If" part of a hypothesis relates to what variable?
Control
Independent
Dependent
Constant
10
What is an dependent variable?
used to compare to all other trials
variable that remains the same
the variable being changed on purpose
variable being measured
11
What is a control variable?
the variable being changed on purpose
variable that remains the same in all trials
used to compare to all other trials
variable being measured
12
What would be a constant in "Does fertilizer increase the sugar found in tomatoes?"
plant without fertilizer
plants with different fertilizers
amount of sugar
type of tomato plant
13
What does a balance / scale measure?
Volume
Mass
Length
Distance
14
What is the RHS school mascot?
Yellowjacket
Bears
Red Hornet
Raiders
15
What is an independent variable?
the variable being changed on purpose
variable that remains the same
variable being measured
used to compare to all other trials
16
What day in the graph was 59 degrees?
4
2
5
3
17
What would be the control in "Does fertilizer increase the sugar found in tomatoes?"
plant without fertilizer
type of tomato plant
amount of sugar
plants with different fertilizers
18
What is the independent variable in "Does temperature affect plant growth?"
70°F
Temperature
Type of soil
Plant height
19
How many independent variables can their be in an experiment?
3
1
4 or more
2
20
When is a hypothesis made?
after experiment, before analysis
after observations, before experiment
after experiment, before results
after results, before observations
21
Which of the following applies to a hypothesis?
repeatedly confirmed by many
supported by scientific community
well-established
a prediction

Experimental Design Biology Flashcards | StudBud