Biology Junction
Water Properties and More
Did you know many insects use cohesion or surface tension to walk on water? Using a presentation, scholars learn the more important properties of water. It extends into the concepts of solutions, suspensions, pH, and more.
Discovery Education
By All Indications
How do people determine if something is acidic or basic? Learners make their own acid-base indicators using red cabbage and then determine the acidity and alkalinity of different substances. First, they test substances of known pH and...
Curated OER
Basic Chemistry Principles
Students use the basic principles of Chemistry to determine pH levels. Elements of the Periodic Table are also included in this lesson.
Curated OER
Determining the Relationship Between pH and Hydrogen Ions with Microcomputer Based Lab (MBL) and/or Calculator Based Lab (CBL) Equipment
Learners find the relationship between the variables based on experimental data. They determine mathematical relationship between pH and the amount of hydrogen Ions in solution.
Curated OER
Dilution and Concentration of Solutions
Future chemists practice laboratory techniques by creating a monochloramine solution. The objectives are to use of dilution, 9concentration, and measurement skills and to prepare a solution that will be used in a water treatment...
Curated OER
Nathaniel Hawthorne's—The Scarlet Letter
Designed for teachers, this guide to The Scarlet Letter is divided into background information about Hawthorne and Puritan New England, suggestions for teaching various ability levels, and ideas for extensions that include current events.
Flag House
Play Well with Others…Be Active Against Bullying!
Bully-free is the way every school should be! How can you help create that kind of culture in your school? A well-written teacher's guide containing lessons for grades 6-8 may be just the ticket. Each unit, separated by grade level,...
University of Waikato
Ocean Acidification and Eggshells
Eggshells and seashells have a lot in common. Learners use the similarities to conduct an experiment that models the effect of ocean acidification on marine animals. Using varying levels of acidic liquids, pupils make observations on the...
Curated OER
Investigating the Soil
Students explore the Earth's crust by researching pH levels and acidity. In this environmental safety lesson, students identify the pros and cons of acidity within soil and how it affects plants. Students collaborate in a pH level...
Curated OER
Acid Rain Keeps Falling On My Head
Students measure the pH of local rain water. Students map the location of the collected rain water according to pH levels.
Curated OER
Sense of Scale
Students examine the pH scale. They research common products and determine their pH level. They create their own pH scale and place their products in the appropriate place.
Curated OER
Quiz on pH, Acids, Bases, Alkalis, Neutralisation and Salts
In this chemistry worksheet, students complete 5 multiple choice questions by selecting the correct answer from the drop down box.
Curated OER
Acid Rain in our State
Learners conduct internet research on acid rain, a serious environmental problem. They examine the pH levels of rainwater for their state, collect data from their community and investigate the causes and solutions for acid rain.
Curated OER
Water Quality Testing
Student explore factors affecting ecosystems. They test local water samples for pH level. After creating a methodology for data collection, they collect data, compare results, and draw conclusions based upon results.
Curated OER
Soil and Agriculture: Lesson 4 - Agriculture and Soil
Students determine how the various levels of minerals in the soil, as well as the pH of the soil, affect the growth of plants in these plant growth experiments.
Curated OER
Measuring the pH Value of Water
Students test the pH level of a water sample by using a Colorimetric test. They explain the impact of pH levels on water and aquatic life.
Curated OER
Understanding the pH Cycle within the Aquarium
Students discuss places they have been where the air seemed hard to breathe. They discuss if they could "see" the humidity or smell. Students discuss ways this might relate to the fish in the aquarium. The teacher introduces pH and how...
Curated OER
Acid Rain And Geology
Students become aware of the environmental problems caused by acid rain and study the pH scale. They determine acidity of local rain water.
Curated OER
Move To a Healthier Aquatic Balance
Fourth graders examine aquatic orgnaisms and how enviromental chages affect them. This factors include: temperature, Ph, oxygen, nutrients, and pollutants. They also explore habitat quality (erosion). Students compile data and create...
Curated OER
Water Quality in the Greenhills Stream
Seventh graders conduct year long study of water quality over different seasons using variety of probes, including D.O., pH, conductivity and temperature, that are attached to portable technology. Students select three data points in...
Curated OER
Acid Rain
Young scholars understand the dynamics of acid rain and its impact on the living and non-living environment. They hypothesize how acid rain affects water pH levels in two lake systems with differing watershed features.
Curated OER
Freshwater Fish Water Quality
Sixth graders work together to complete an experiment about the quality of freshwater. In groups, they collect fresh water samples from a variety of sources and test the pH levels. After completing a KWL chart, they test the amout of...
Curated OER
Household Chemistry
Students use indicator paper to determine if substances are acidic, basic, or neutral. They test for Ph levels in them. They investigate the effect of oxygen on darkening fruit cut and exposed to the air. They observe vitamin C as an...
Curated OER
pH Readings and Salinity Readings of Water From Three Locations Within the Neponset River Watershed
Sixth graders test the ph levels of water from three different water environments within the Neponset River Watershed. They discuss the three different water environments, take pH measurements of the three samples, and predict which...
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