Centers for Disease Control and Prevention
Tobacco Use and Secondhand Smoke Exposure Is High in Multiunit Housing
Much has been written recently about the danger of secondhand smoke. Laws have been passed to limit that exposure in offices, transportation centers, and public areas. But what about apartment buildings, condos, public housing, and other...
Centers for Disease Control and Prevention
Youth and Tobacco Use
There are a number of social, emotional, and physiological reasons why teenagers start smoking, and why they continue smoking into adulthood. Help class members understand why smoking begins in youth—and how to protect themselves from...
PBS
Pbs Learning Media: Fast and Slow Changes on Earth's Surface
Observe fast and slow events that change the face of Earth's surface with this slideshow. Students will use evidence from videos and images to describe how changes on Earth's surface can happen quickly or slowly. Students will have the...
Other
The Stoa Consortium: Acropolis: The East Slope
The East Slope of the Acropolis is an area that has not (yet) been the focus of a great deal of archaeological investigation. Early travelers and explorers noted, of course, the very large and prominent East Cave that forms such a...
Other
Project Happy Child: 100s Board Worksheets
Use these 100s Boards to have students check for divisibility by 2-12 and for square and prime numbers. Just find the links below the 100s board that has the directions printed right on top of the worksheet.
Curated OER
Etc: Maps Etc: Ethnolinguistic Groups of China, 1971
" Ethnolinguistic Groups - Almost all inhabitants of mainland China are of Mongoloid stock, and ethnic distinctions in the country are largely linguistic rather than racial. The Han comprise nearly 95 percent of the population; the...
Curated OER
Educational Technology Clearinghouse: Clip Art Etc: Sphinx
Sphinx is a Greek word signifying 'strangler,' applied to certain symbolical forms of Egyptian origin, having the body of a lion, a human or an animal head, and two wings. Various other combinations of animal forms have been called by...
Curated OER
Educational Technology Clearinghouse: Maps Etc: Animals of Asia, 1906
A pictorial map from 1906 illustrating the various animals that live in regions of Asia. "The white bear, the seal and many sea birds are found near the Arctic shore. In the cold parts of Siberia tribes of yellow people keep herds of...
Curated OER
Ar Kive: Polar Bear (Ursus Maritimus)
The polar bear (Ursus maritimus) is the largest living land carnivore, with adult males growing up to 2.6 metres in length. The most well known of all bears, the polar bear is immediately recognisable from the distinctive white colour of...
Curated OER
Etc: Maps Etc: Standard Time in the United States, 1910
A map from 1910 of the United States showing the time zones as they were then established. Clock-symbols at the bottom of the map show the comparative times when it is noon in London. "Formerly every city used its own sun time, or local...
Curated OER
Educational Technology Clearinghouse: Clip Art Etc: Gladiators
This illustration shows various types of gladiators, each type with with his specific weapons attributed to him. Gladiators were swordsmen whose profession was to fight for the public amusement. Gladiators are said to have been borrowed...
Curated OER
Ar Kive: Swordfish (Xiphias Gladius)
A fast-swimming predator, the swordfish (Xiphias gladius) gets its name from its extremely long, flat, sword-like bill, which is used to impale or slash its prey. The swordfish, the only living member of the family Xiphiidae, has a long,...
Curated OER
Ar Kive: Emperor Scorpion (Pandinus Imperator)
The largest of scorpions, but not the longest, the emperor scorpion (Pandinus imperator) has a dark body ranging from dark blue/green through brown to black. The large pincers are blackish-red and have a granular texture. The front part...
Curated OER
Moc E05 00782 of Nili Fossae
Olivine-bearing rocks, similar to those found in Hawaii, have been found on Mars. Use this site to learn more about what has been found on Mars.
Curated OER
Hawaiian Olivine Basalt Rock, as an Example
Olivine-bearing rocks, similar to those found in Hawaii, have been found on Mars. Use this site to learn more about what has been found on Mars.
Curated OER
Hoefen Et Al. Olivine Mars Map
Olivine-bearing rocks, similar to those found in Hawaii, have been found on Mars. Use this site to learn more about what has been found on Mars.
Curated OER
Christensen Et Al. Olivine Themis Map
Olivine-bearing rocks, similar to those found in Hawaii, have been found on Mars. Use this site to learn more about what has been found on Mars.