1. Models are used and generated during experimentation.C
Physical Model
Schematic Model
Phenomenon
Prose
Model
A unicycle has a wheel with a radius of 29 cm. The rider pedals forward once
Data
Model
Graphical Model
Mathematical Model
C = 3.14 d or
C = p d

2. Experimentation: Conducting Proportionality Investigations
Mathematical model
SCIENTIFIC LAW / THEORY
Independent variable
Dependent variable
Experimental controls
Scientific hypothesis
X-y scatter plot
Regression curve
ALGEBRAIC PROPORTIONALITIES
SCIENTIFIC FORMULA

3. Experimentation: Conducting Proportionality Investigations
Mathematical model
SCIENTIFIC LAW / THEORY
Independent variable
Dependent variable
Experimental controls
Scientific hypothesis
X-y scatter plot
Regression curve
ALGEBRAIC PROPORTIONALITIES
SCIENTIFIC FORMULA

4. Experimentation: Conducting Proportionality Investigations
Mathematical model
SCIENTIFIC LAW / THEORY
Independent variable
Dependent variable
Experimental controls
Scientific hypothesis
X-y scatter plot
Regression curve
ALGEBRAIC PROPORTIONALITIES
SCIENTIFIC FORMULA

5. Experimentation: Conducting Proportionality Investigations
Mathematical model
SCIENTIFIC LAW / THEORY
Independent variable
Dependent variable
Experimental controls
Scientific hypothesis
X-y scatter plot
Regression curve
ALGEBRAIC PROPORTIONALITIES
SCIENTIFIC FORMULA

6. Experimentation: Conducting Proportionality Investigations
Mathematical model
SCIENTIFIC LAW / THEORY
Independent variable
Dependent variable
Experimental controls
Scientific hypothesis
X-y scatter plot
Regression curve
ALGEBRAIC PROPORTIONALITIES
SCIENTIFIC FORMULA

7. Experimentation: Conducting Proportionality Investigations
Mathematical model
SCIENTIFIC LAW / THEORY
Independent variable
Dependent variable
Experimental controls
Scientific hypothesis
X-y scatter plot
Regression curve
ALGEBRAIC PROPORTIONALITIES
SCIENTIFIC FORMULA

8. Experimentation: Conducting Proportionality Investigations
Mathematical model
SCIENTIFIC LAW / THEORY
Independent variable
Dependent variable
Experimental controls
Scientific hypothesis
X-y scatter plot
Regression curve
ALGEBRAIC PROPORTIONALITIES
SCIENTIFIC FORMULA

9. Experimentation: Conducting Proportionality Investigations
Mathematical model
SCIENTIFIC LAW / THEORY
Independent variable
Dependent variable
Experimental controls
Scientific hypothesis
X-y scatter plot
Regression curve
ALGEBRAIC PROPORTIONALITIES
SCIENTIFIC FORMULA

10. Experimentation: Conducting Proportionality Investigations
Mathematical model
SCIENTIFIC LAW / THEORY
Independent variable
Dependent variable
Experimental controls
Scientific hypothesis
X-y scatter plot
Regression curve
ALGEBRAIC PROPORTIONALITIES
SCIENTIFIC FORMULA

11. Experimentation: Conducting Proportionality Investigations
ALGEBRAIC PROPORTIONALITIES
Direct Inverse
y = kx y = k/x
y = kx² y = k/x²
y = k√x y = k/√x

12. Experimentation: Conducting Proportionality Investigations
Mathematical model
SCIENTIFIC LAW / THEORY
Independent variable
Dependent variable
Experimental controls
Scientific hypothesis
X-y scatter plot
Regression curve
ALGEBRAIC PROPORTIONALITIES
SCIENTIFIC FORMULA