Effect of Coefficient of x^2 on Parabola Shape part of Examples
This classroom activity presents College Algebra students with a ConcepTest, a Question of the Day, and a Write-pair-share activity concerning the effect of the coefficient of x^2 on the shape of a parabola where b and c are arbitrarily fixed values in f(x)=ax^2+bx+c.

Effect of Proportionality Constant on Exponential Graph (k>0) part of Examples
This classroom activity presents College Algebra students with a ConcepTest and a Question of the Day activity concerning the effect of the proportionality constant, k, on the y-intercept and position of an exponential graph where k>0 and C is an arbitrarily fixed value in f(x)=Ce^(kx).

ConcepTest: Box Modelling: Fluxes & Turnover Times part of Pedagogy in Action:Library:ConcepTests:Examples
Which of the following is true of the simplified ocean-atmosphere water cycle depicted in the box model below? A. There is a net flux of water from ocean to atmosphere. B. There is a net flux of water from ...

ConcepTest: Ocean Element Profiles - 1 part of Pedagogy in Action:Library:ConcepTests:Examples
Which element could have a depth profile in the ocean that looks like this? A. Oxygen, an element produced during photosynthesis B. Barium, an element required in trace amounts for micro-organisms C. Nitrogen, a ...

Effect of Initial Value on Graph of Exponential Function (C>0) part of Examples
This classroom activity presents College Algebra students with a ConcepTest and a Question of the Day activity concerning the effect of the initial value, C, on the y-intercept and position of an exponential function where C>0 and k is an arbitrarily fixed value in f(x)=Ce^(kx).

Effect of Coefficient of x on Parabola Vertex (b>0) part of Examples
This classroom activity presents College Algebra students with a ConcepTest, a Question of the Day, and a Write-pair-share activity concerning the effect of the coefficient of x on the vertex of a parabola where a>0, b>0 and a and c are fixed values in f(x)=ax^2+bx+c.

ConcepTest: Ocean Element Profiles - 2 part of Pedagogy in Action:Library:ConcepTests:Examples
Which element could have a depth profile in the ocean that looks like this? A. It probably has a source from the atmosphere B. It is probably an essential nutrient for phytoplankton  C. It probably has a ...

ConcepTest: Drivers of Ocean Salinity Variations part of Pedagogy in Action:Library:ConcepTests:Examples
Imagine ocean circulation stopped suddenly, with half of the world's salts in the northern hemisphere and half in the southern hemisphere. Assuming no net difference between evaporation and precipitation ...

ConcepTest: Magnetic Inclination part of Pedagogy in Action:Library:ConcepTests:Examples
The diagram below shows the magnetic inclination determined for three lava flows preserved in a cliff. (Assume that Earth's magnetic field was in the same orientation as it is today.) What happened to the ...

ConcepTest: Change in Porportion of Parent Isotopes Over Time part of Pedagogy in Action:Library:ConcepTests:Examples
Which graph below best represents the change in the proportion of unstable (parent) radioactive isotopes with time? a. A b. B c. C d. D