Earth Science Pencasts

This site will be used to post "pencasts" produced by Mr. Benson. Pencasts will help students who missed class or simply want to have a concept explained again. To watch (and listen) to the pencasts, select a topic from the list below. Remember that you can pause the pencast at any time and you can also print a copy of the pencast. To watch (and listen), follow these instructions.

1. Select a topic from the list below. Make sure your volume is on so that you can listen as the notes and diagrams appear.

2. Select the Full Screen option to see a larger view of the page.

3. In the lower right, select Hide Preview and then play. Pause the pencast at any time.

4. To Print a copy of the pencast (pdf file), go back to reduced screen and select download as PDF from menu to left.

RODNEY'S HOMEPAGE For Earth Science Teachers.

HOT LINKS

Chinook Winds
El Nino
Greenhouse Effect
Temperature Inversion
Highs and Lows Explained
The Blizzard of 1993 Explained
Torndado Outbreak of 1974 Explained
Rock Cycle Pencast
Density
Salinity
Relative Humidity I
Relative Humidity II
Intro to Atmospheric Pressure
Convection in a Lava Lamp
Milankovitch Cycles Explained
The Uplift Hypothesis of Ice Ages
Monsoon Effect (
Microbursts

Email: rbenson@helena.k12.mt.us

Photo by Ms. Seymour