Question of the Day: The Structure of the Earth part of Question of the Day
On the cross-section diagram below, label: Crust. Mantle. Lithosphere. Asthenosphere. The depth to the boundaries between each of the above specified layers. The direction of lithospheric motion. Where you would ...

Question of the Day: Ocean Waves #1 part of Question of the Day
Sketch a simple diagram of an ocean wave and label its crest, trough, and wavelength. You are in a boat and you have a stop watch. How do you measure the period of the ocean waves passing beneath you? What ...

Question of the Day: Flow of Winds and Moisture part of Question of the Day
This activity addresses the flow of surface winds and moisture. On the figure below, draw a)direction of air flow (winds), b) locations with highest evaporation from the sea surface, and zone(s) of maximum ...

Question of the Day: Weather part of Question of the Day
To answer the questions, refer to the map below and the wind belt map. The question refers to an imaginary continent named "Xeyna," which is populated by a fierce band of female warriors, which is ...

U.S. Population Growth: What Does the Future Hold? part of Examples
College Algebra or Liberal Arts math students are presented with a ConcepTest, a Question of the Day and a write-pair-share activity involving U.S. population growth. The results are quite revealing and show that while students may have learned how to perform the necessary calculations, their conceptual understanding concerning exponential growth may remain faulty. Student knowledge (or lack thereof) of the size of our population and its annual growth rate may also be surprising.

Question of the Day: Plate Boundary Characteristics part of Question of the Day
What kind of plate tectonic process or boundary would you expect if you find a seafloor region with: 1. A long, narrow linear or gently curving deep valley, earthquakes to depths of several hundred km, and ...

Question of the Day: Regeneration of Fish part of Question of the Day
The two figures shown above are from the The Fishing Game (more info) game. They show the number of new fish per year that are added to the fish "stock," depending on the maximum number of fish that the ...

Question of the Day: ANWR Drilling Policy part of Question of the Day
ANWR Drilling Policy Debate (Acrobat (PDF) 118kB Jun16 04) Activity Sheet and Reading The author's calculations yield the following: An average US car mileage increase of five miles per gallon would reduce oil ...

Question of the Day: Efficiency of Food Production part of Question of the Day
The figure below shows a simple food chain for land production. How much solar energy does a vegetarian utilize when eating 1,000 calories of plant material? Use the information from the figure to calculate this. ...