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Intro to Scientific Method Flashcards | StudBud
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Intro to Scientific Method
Intro to Scientific Method
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Experimental Design Review
Flashcards
27 cards
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Practice quiz
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Questions
27
Answers
1
The variable that is deliberately changed in an experiment is called the...
Hypothetical Variable
Controlled Variable
Dependent Variable
Independent Variable
2
The measurement is .....
36.0 mL
35.0 mL
30.5 mL
36.5 mL
3
How will exercise affect heart rate?
Dependent Variable
exercise
it depends
time
heart rate
4
The independent variable is always plotted on _____ axis.
y
1st
z
x
5
What term is often used to explain a hypothesis?
Educated Guess
Wild Guess
Dynamic Equilibrium
Absolute Truth
6
The variable that the scientist is observing and measuring is called the
Controlled Variable
Unidentifiable Variable
Independent Variable
Dependent Variable
7
When scientists investigate the natural world, they follow a series of steps called...
The Recipe for Success
The Standard Procedure
The Scientific Method
The Scientific Recipe
8
What is this instrument called?
beaker
straw
dropper
graduated cylinder
9
A hypothesis for
: Design an experiment to determine if soil pH affects plant growth
plant growth will not change
soil pH will affect plant growth?
the soil will make it grow
soil pH will increase plant growth
10
All scientific investigations begin with:
Forming a conclusion
Asking a question or Observing a problem
Conducting an experiment
Forming a hypothesis
11
Factors that remain the same in a scientific investigation
control group
test variables
experimental group
constants
12
Two ways an experiment can be made more accurate/reliable
repeat many times and increase sample size
use two scientist
check data
make a theory
13
If a control group is not included in an experiment, it would be difficult to
draw a valid conclusion
record data in a data table
make observations about the experimental group
formulate a hypothesis for the experiment
14
A _______ is used to measure the mass of an object in _________.
pipette; mL
microscope; g
balance; g
beaker; cm
15
The variable that is changed on purpose in a scientific investigation
dependent variable
responding variable
constant
independent variable
16
An experiment to determine the effects of pH on seed growth.
What is the Independent Variable?
plants
seed growth
experiment
pH
17
Test the effectiveness of new drug to treat high blood pressure:
Independent Variable
new drug
high blood pressure
effectiveness
treat
18
This piece of science equipment is used to measure ___________.
mass
temperature
height
volume
19
The part of the experiment that is NOT changed is the.....
constant
experimental group
controlled variable
control group
20
The independent variable gets graphed on the....
X axis
freedom axis
Y axis
21
Which of the following is not a quality of a good experiment?
Data will always match the Hypothesis
Repeatable
Large Sample Size
Control Group
22
Which of the following is not a quality of a good experiment?
Data always matches the Hypothesis
Control Group
Large Sample Size
Repeatable
23
A hypothesis is
never
stated as a __________________________
question
answer
variable
hypothesis
24
If I add kale to my smoothie, I will run faster. This is a(n)...
hypothesis
constant
bad idea
control
25
When creating a scale for your graph the numbers must be
the same
even
consistent
starting from zero
26
The variable that is measured in the scientific investigation
controlled variable
independent variable
constant
dependent variable
27
How does the type of liquid affect the growth of tomatoes? The IV is?
size of container
types of liquid
growth of tomato plants
amount of water
