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Scientific Method
Scientific Method
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#Applying the scientific process elements of variables, constants, and experimental/control groups.
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29 cards
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1
Does the brand of shoe affect how high a player can jump? The independent variable is _____.
The color of the shoe
How tall the player is
The brand of shoe
How high the player can jump
2
What is the independent variable for this experiment?
The type of plant
The type of fertilizer
The amount of sunlight
The amount of water
3
Will Skittles dissolve faster in cold water or hot water? What measuring tool would you need?
A ruler only
A thermometer, graduated cylinder, and stopwatch
A stopwatch only
A thermometer only
4
What is wrong with the following experiment?
There was no control group
The plants were not put in the same container
The plants did not receive enough water
More than one variable was changed
5
What is the experimental group or groups in this investigation?
Plants 2 and 3
Plants 1, 2, and 3
Plant 3 only
Plant 1 only
6
What is the difference between a control group and an experimental group?
The experimental group is the group NOT being tested
There is no difference between the groups
The experimental group is the group being tested
7
Will Skittles dissolve faster in cold water or hot water? Constants would include _____.
All of the above are constants
The same amount of water
The same container to put the water in
The same amount of Skittles placed in the water
8
Which of the following is NOT a goal of science?
To make predictions
Explaining events in the natural world
To use data to support a particular point of view
To investigate and understand the natural world
9
You suggest that the presence of water could accelerate the growth of bread mold. This is a:
observation
hypothesis
conclusion
problem
10
A 'sugar pill'
plabeco
placebo
yummy
plecoba
11
The variable you change, on purpose, in the experiment is known as the:
Dependent Variable
Independent Variable
12
Will Skittles dissolve faster in cold water or hot water? The dependent variable is _____.
The color of the Skittle that dissolved fastest
The temperature of the water
How long it takes the Skittles to dissolve
The amount of Skittles dissolved
13
Which of the following statements is TRUE about REPEATED TRIALS?
Repeated trials are not really needed to support data.
Repeated trials are a waste of time.
Repeated trials can only be performed by scientists.
Repeated trials can provide consistent and reliable data.
14
When doing an experiment, how many variables can be tested?
One
Two
Three
Four
15
Which items would be constants for this experiment?
The plant receiving no water
The amount of water and the type of plant
The type of plant and the type of container for the plant
The amount of water and the amount of fertilizer
16
A factor in an experiment that is kept the same in all trials is called a(n):
Dependent variable
Independent variable
Constant
Control
17
What is the difference between a control group and an experimental group?
The control group is the group NOT being tested
There is no difference between the groups
The control group is the group being tested
18
The best way to state a hypothesis is _____.
Will _____, affect _____?
If _____, then _____.
I believe _____, because _____.
19
Does the brand of shoe affect how high a player can jump? The dependent variable is _____.
How high the player can jump
How tall the player is
The color of the shoe
The brand of shoe
20
Will Skittles dissolve faster in cold water or hot water? The independent variable is _____.
The temperature of the water
The amount of skittles
The color of the skittle
The amount of water
21
If a Skittle is put in hot water, then it will dissolve faster than a Skittle in cold water.
Control Group
Experimental Group
Hypothesis
Constants
22
The responding variable that you measure or is the result is known as the:
Problem variable
Dependent variable
Control
Constant
23
Is a hypothesis always true?
No
Yes
24
Which activity will always increase the validity of a science experiment
proven hypothesis
good conclusion
repeated trials
fancy graphs
25
You notice your plant is dying. Which of the following is a valid hypothesis for why?
it is receiving too much sunlight
it is being watered too little
all of the above are hypotheses
it is being watered too much
26
When the experimenter introduces his own influence on the experiment
true science
placebo effect
bias
super loco
27
When a subject in the experiment thinks they are seeing results even if they aren't
super wacko
placebo effect
hopefullness
bias
28
In science, a hypothesis is valid only if it can be...
an opinion
never proven
always proven
testable
29
What is the control group in this experiment?
The plant receiving no water
The plant receiving the most water
The plant receiving no sunlight
The plant receiving the most sunlight
