Curated OER
Technology as a Tool of Science
Students monitor streams, take stream surveys, collect chemical and macro-invertebrate and stream discharge data. Using a digital camera, students observe the percentage of various types of vegetation on the flood plan, riparian area and...
Curated OER
Chemicals in Your Life
In this chemicals instructional activity, students fill in 61 blanks of statements comparing the chemicals used in farming and the chemicals found in medicines and food.
Curated OER
Balancing Equations
For this balancing equations worksheet, students determine the type of reaction and write the balanced equation. Students read the word description and write the symbol of each element using the periodic table.
Curated OER
Water Quality
In this water worksheet, students determine the factors that effect the solubility of gases, calculate the percent concentration of solutions, and give the balanced chemical equation for photosynthesis. This worksheet has 18 short answer...
Curated OER
Acids, Alkalis, and Salts
In this acids worksheet, students review the definition of acids, bases, and salts. Students describe the differences between acids and alkalis and define neutralization. This worksheet has 2 short answer and 1 problem to solve.
Curated OER
Stoichiometry
In this stoichiometry worksheet, students calculate balance the chemical equations and then calculate the moles needed to complete or activate the chemical reaction. Students also calculate the volume or grams needed for each chemical...
Curated OER
Solutions Quiz Review Sheet
For this solutions worksheet, students use a phase diagram to determine the boiling point and molality of the solution. Students determine the electrical conductivity of a saturated solution. This worksheet has nine problems to solve.
Curated OER
Heat of Formation
In this reactions worksheet, students calculate the heat of reaction for given chemical reactions. This worksheet has 3 problems to solve.
Curated OER
Stoichiometry Homework
For this stoichiometry worksheet, students determine how much reactants are necessary to complete the given chemical reactions. This worksheet has 4 problems to solve.
Curated OER
Ecology: Effects of Land Use on Natural Streams
Eighth graders examine how humans affect various ecosystems. In this ecology lesson, 8th graders discuss different ways that contaminants enter the stream. They explain the consequences of eutrophication in lakes.
Encyclopedia of Earth
Encyclopedia of Earth: Physics & Chemistry: Nitrate
Discusses the chemistry of nitrate, the negative agricultural effects of too much nitrate in soil and in water sources, its toxicity to plants and livestock, and the impact on human health.
Texas Instruments
Texas Instruments: Nitrate
Student uses the Nitrate Ion-Selective Probe to measure the Nitrate ions concentration in water samples. In another method, student converts nitrate ions to nitrite and uses the Colorimeter to measure nitrite and calculate the nitrate...
Science Education Resource Center at Carleton College
Serc: Nitrate Levels in the Rock Creek Park Watershed: Variability
Learning module focuses on measures of variability such as range, variance, and standard deviation which are used to examine nitrate levels and water quality.
US Geological Survey
Usgs: A National Look at Nitrate Contamination of Ground Water
This site features a map of the United States which indicates areas with the highest risk of nitrate contamination in ground water. Links to a description of ground water contamination in U.S.
Chemistry Collective
Chem Collective: Determine the Concentration of Unknown Silver Nitrate Solution
In this limiting reagents problem, students are asked to determine the amount of silver nitrate dissolved in a solution by performing a reaction with solid NaCl. In this randomized activity, each student is given a different unknown...
Other
Valley City Junior High's Water Research: Water Issues
This site talks about the nitrate and nitrogen forms that can be found and how to test for it. Includes illustrative diagrams and graphs.
Science Struck
Science Struck: Silver Nitrate Uses
Learn about the chemical properties of silver nitrate and the variety of ways in which it is used by humans.
Science Education Resource Center at Carleton College
Serc: Lab 7: Nitrates and Phosphates and Algae, Oh My!
A lab experiment, in a series of experiments, that investigates fisheries. In this lab, students test the effects of fertilizers and other pollutants on a model ecosystem. Students also examine 2 years of ocean color (chlorophyll...
Other
Lcs: Electrolysis of Silver Nitrate Solution
Complete directions for a teacher demonstration in which the electrolysis of a solution of silver nitrate is viewed under a microscope. Helpful tips and a diagram of the apparatus and set-up is provided. Easily adaptable as a student lab...
Science Education Resource Center at Carleton College
Serc: Nitrate Levels in the Rock Creek Park Watershed: Meas of Central Tendency
Activity uses water-quality data from Rock Creek Park to illustrate elementary statistical measures of exploratory data analysis. The focus of the activity is the nutrient limitation in a stream and the three measures of central tendency.
Science Buddies
Science Buddies: Project Ideas: Cold Pack Chemistry: Where Does the Heat Go?
This science fair project shows you what you need to make an endothermic reaction, the coldness of which is governed by the amount of ammonium nitrate used. The Science Buddies project ideas are set up consistently beginning with an...
University of Minnesota
University of Minnesota Outreach: Endothermic and Exothermic Reactions
A nice juxtaposition of endo- and exothermic reactions. Outlines two demonstrations. Barium hydroxide, sodium acetate, ammonium nitrate, ammonia.
Science Education Resource Center at Carleton College
Serc: Disasters to Nature: Sensitivity of Ground Water Systems to Pollution
Students visit three sites to investigate the areas where there is very high sensitivity for ground-water pollution. They also test the quality of water, measuring the dissolved oxygen, pH, total phosphate, nitrates, turbidity, and...
Curated OER
Etc: Maps Etc: Production of Phosphate, Nitrates, and Potash in Africa, 1913
"Production of phosphate, nitrates, and potash in Africa in 1913.