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

Experimental Design Biology Flashcards | StudBud