Handout
National Institute of Open Schooling

Air Pollution

For Students 9th - 12th Standards
Seventy percent of the air pollution in China is due to car exhaust. Under the umbrella of environmental chemistry, learners extensively explore air pollution. From the makeup of our atmosphere to sources of major air pollutants, classes...
Handout
Curated OER

First Land Plants Found on Earth

For Students 8th - 10th
In this first land plants worksheet, students read about the major events that allowed plants to evolve on Earth. Students read about the primary and secondary atmospheres, the formation of the ozone layer to protect from UV light and...
Handout
NASA

Nasa: The Basics of Ocean Chemistry: Carbon, Circulation, and Critters

For Students 9th - 10th
An explanation of ocean chemistry, supported by illustrations, for example, of the global carbon cycle in the 1980s and the annual carbon dioxide flux. The concentration of nutrients in the ocean is discussed for its impact on marine...
Handout
eSchool Today

E School Today: Your Cool Basics on Ocean Acidification

For Students 4th - 8th
Looks at ocean acidification, what causes it, the impact of it, and possible ways to reduce it.