For students enrolled in natural science courses in ETSU's general education core

Downloadable simulation that lets you get a feel for how a second degree polynomial (aka, quadratic) changes shape when you fiddle with its coefficients. Adjust the coefficients of the parabola to hit all of the dots. Then, click the button to get a new set of dots. Good for constant acceleration problems, since distance vs. time is a quadratic for this situation.

*August 11, 2010*

Bold-faced Words for Chapter 2 Mass – A property of all matter that measures the quantity of matter present; the greater the mass, the greater the quantity of matter. Element – A substance composed of only one type of atom. Atomic Number – The number of protons in the nucleus of an atom, also equal […]

*August 11, 2010*

This is a link to an interactive tutorial on the human nervous system — with quizzes! Thanks to the MERLOT website for the great link.

August 23, 20100