Curated OER
Science: Arsenic and Old Lace
Pupils read about specific instances of arsenic in history and share these stories with each other. They identify, after reading the articles and sharing, what role arsenic played, how arsenic enters the system and what its effects are....
Curated OER
Arsenic Contamination: Water Filtration
Learners work in groups to design a filtration process that will separate clean water from polluted water. They organize data in tables or graphs and present their findings to the class. Students identify further safety protocols that...
Curated OER
Arsenic and Human Health
Ninth graders concentrate on arsenic poisoning as an example of the connections among health, geography, and geology as they develop a persuasive presentation about the dangers of arsenic in the drinking water, targeting a specific...
Curated OER
Testing Bangladesh's Waters
Students assess the causes and effects of massive arsenic contamination in the water supplies of 43 of Bangladesh's 64 districts. They evaluate why this contamination occurred, and how it affects the population of Bangladesh.
National Institute of Open Schooling
Heavy Metal Contamination
An informative lesson focuses on heavy metal contamination of environments. Classes read about, discuss, and answer questions pertaining to sources of heavy metals in the environment. To finish the 35th installment of 36, individuals...
Curated OER
"Arsenic and Old Waste": Groundwater Activities Using Modeling
Students develop models of groundwater and pollution flow. They research information using the Internet and develop models of groundwater flow in Stella and Excel.
Curated OER
The Portion is the Poison
Students calculate the amount of everyday food products or liquids that would need to be consumed in order to become toxic. By using unit analysis, they calculate the amount of certain common food items that would need to be consumed in...
Curated OER
Science: Not just Gold
Students articulate a possible relationship between arsenic and gold deposits in a written statement using data to substantiate the relationship they describe. They use real data to determine the source of the arsenic in the drinking...
Curated OER
What is a Solution?
In this solutions worksheet, students read about how people first learned to use metals and to combine metals to form alloys. Students write an essay telling the story of how ancient people first learned to cause physical changes in metal.