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Worksheet
Curated OER

Biogeochemical Cycles Study Guide

For Students 9th - 12th
The four cycles in Earth's biogeochemical system are covered in this worksheet. Science stars fill in the blanks or define vocabulary terms pertaining to the hydrologic, carbon, nitrogen, and phosphorous cycles. This resource provides a...
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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...
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Worksheet
Curated OER

Biosphere Starts with?

For Students 9th - 12th
How can your pupils test their biosphere vocabulary acquisition? They can do it by using a fill-in-the-blank worksheet like the one found here. Thirty-four common words and phrases surrounding the topic are included. There is a number 35...