Chemistry Collective
Virtual Lab: Gravimetric Determination of Arsenic
Arsenic in drinking water is a common problem in third world countries. Young chemists create a procedure to calculate the mass percent of arsenic in the soil. The virtual lab allows individuals to experiment with different methods.
Curated OER
Science: Arsenic and Old Lace
Students 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...
Curated OER
Arsenic and Lead Scavenger Hunt
Health wizards read and discuss an article about lead contamination then come up with a plan to help solve the problem. They get into groups to develop a community solution within the parameters of a budget, feasibility, and the source...
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
Science: Not just Gold
Learners 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
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.
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Science: 4 X 4
High schoolers generate four statements and four questions based on their current level of understanding of the article from the engage lesson. They
evaluate the statements and questions that they have generated and those of their...
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Molecular Polarity
In this science worksheet, students solve problems that are related to the concept of molecular polarity. The answers to the problems are included.
Science Teachers
Basic Periodic Table of the Elements
This basic, black-and-white printable is a copy of the periodic table of elements. It includes the standard element name, symbol, atomic number, and atomic weight. Across the bottom is an explanation that says for elements without stable...
Curated OER
"Arsenic and Old Waste": Groundwater Activities Using Modeling
Learners develop models of groundwater and pollution flow. They research information using the Internet and develop models of groundwater flow in Stella and Excel.
Cornell University
Atomic Bonding
Explore the connection of surface area to bonding within atoms. Learners complete lab investigations to model changing surface area with different sizes and concentrations of atoms. A flour fireball demonstration follows the labs to...
Curated OER
Grossmont College - Chem 115 Practice Exam 2
Here is a straightforward practice test for first year chemistry learners. Responders balance equations, identify types of reactions, represent electron configurations, and solve stoichiometry problems. Keep this handy to use as...
Science Geek
Element Classes
Introduce your young chemists to alkali metals, alkali earth metals, transition metals, metalloids, nonmetals, halogens, and noble gasses with a presentation that explains the classes of elements and a few facts about each.
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
Non-metals
In this science activity, students find the terms that are related to identifying the elements that are non-metals and the answers are found at the bottom of the page.
Curated OER
'Round and 'Round it Goes!
Students discuss and interpret background knowledge on poster copy given on the water cycle. Students complete the included activity sheets using the poster as a reference in small groups. Students identify and name where water can be...
Curated OER
Where Does it Come From?...Where Does it Go?
Students summarize and illustrate how a water treatment plant and wastewater treatment plant work. Students describe the source of water for their community and the adequacy of groundwater to meet the community's needs. Students also...
Curated OER
World Geography: Postcard from the Rim
Students are able to identify the areas of the world that are affected by arsenic contamination of the water supply. They are able to describe the ways in which various societies deal with the problem of arsenic contamination. ...
Curated OER
Final Project Presentations: Water Quality
Students synthesize the information they have been researching on water quality to evaluate the potential health risks in a region with arsenic contamination. They prepare and present a persuasive speech that incorporates visuals.
Curated OER
It'll Go With the Flow...
Students construct a water table elevation contour map and consider the direction and rate of groundwater flow to predict the actual runoff pattern. They discuss their findings and evaluate a hypothetical landfill site based on data...
Curated OER
Arsenic Globally
Learners, using directed questions, identify five internet resources. They use these resources to identify relevant information by highlighting those sections that address the provided questions. Students present the answers to these...
Curated OER
Common Elements 10
In this word search worksheet, students locate 39 common elements. These include calcium, silicon, boron, neon, mercury, arsenic, and lead.
Curated OER
A Plume of Contamination
Students perform an experiment/investigative simulation regarding the movement of contaminants in groundwater. They test the pH of three water samples, and then use their reasoning skills to determine the source of an invisible...