Download - Hypothesis
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Predicting and Forming a Hypothesis
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HYPOTHESIS
A guess
假说 hipótesis
가설 Hipoteza
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Questions 1,2,3,4
Observation Inference Independent variable (control)
Dependent variable (no control)
Hypothesis
(guess)
#1
#2
#3
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Question 1
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Observation inference hypothesis (guess)
O2
Dead Fish No oxygen in the water
If oxygen level increases, fish population will increase
O2
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O2
O2Independent variable? (control)
Dependent variable?(no control)
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Hypothesis
IF oxygen level increases THEN fish population will increase.
O2
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Question 2
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IF the cola contains sugar, THEN it will sink
The regular cola sinks
The diet cola floats
VariablesObservation
Independent variable (control):How much SUGAR in the cola
Dependent variable:(no control)distance the cola goes up
Hypothesis
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Question 3
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Plastic bag
Pencil
VariablesObservation Hypothesis
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Variables
Observation
Hypothesis
Inference
There is water in the plastic bag
The pencil is sharp
The pencil breaks the
bag and the water pours
out
A GUESSIf there are MORE holes in the bag,
then MORE water will pour out.
Independent variable (control):Number of holes in
the bagDependent variable (no
control):How much water
pours out
Plastic bag
Pencil
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Definition (words/pictures) Example
1. Observation
2. Inference
3. Independent Variable
4. Dependent Variable
5. Hypothesis
6. Graph
7. Chart
8. Length
9. Width
10. Control