Curated OER
Complex Equilibria Quiz
In this equilibrium instructional activity, students answer 8 multiple choice questions but need to solve the problems in order to determine the answers. They include determining the concentrations of ions as well as the pH of solutions.
Curated OER
Electrochemistry
In this redox activity, students answer 8 questions. They use a diagram of a Galvanic cell to answer questions as well as write balanced equations and solve problems.
Curated OER
Acids, Alkalis and Indicators
In this pH worksheet, students describe acids and alkalis. Students determine is substances are strongly acidic or alkaline. Students use the color of universal indicator paper to determine the pH of given substances. This worksheet has...
Curated OER
Acids and Bases
In this acids and bases activity, students learn the differences between an acid and a base and how pH is used to measure the strength of an acid or base. Students read about pH and acid rain. This activity has 10 matching and 20 fill in...
Curated OER
What Are Acids And Bases?
In this acids and bases worksheet, students will complete a Venn diagram by comparing and contrasting the characteristics of acids and bases.
Curated OER
Effect of pH on the Organisms of Tule Ponds At Tyson Lagoon
In this aquatic organism worksheet, students measure the pH of household solutions and of pond water samples. They compare these to tolerance charts for aquatic macro-invertebrates to complete 5 charts or short answer questions.
Curated OER
pH Scale, acids and bases
Eighth graders define the pH scale, acids and bases. They distinguish between acidic and basic solutions using litmus paper. Students review simple chemical formulas. They define the subscript and coefficient in terms of chemical...
Curated OER
Indicator Sponge A Discrepant Event Demonstration
Students explore the use of acid and base pH indicators. The teacher saturates an indicator sponge with congo red solution. Afterwards, the sponge is placed in a blue base solution. Students observe that the blue sponge actually turns...
Curated OER
Understanding pH, Alkalinity, and Hardness
Students comprehend the interactions of pH, alkalinity, hardness, and carbon dioxide in aquaculture water. They read the SRAC fact sheet number 464 "Interactions of pH, Carbon Dioxide, Alkalintiy and Hardness in Fish Ponds." Students...
Curated OER
Soil pH & Plants
High schoolers investigate the pH of the soil in which different plants grow. They design and carry out an experiment to determine the factors that affect the growth of a population of plants, identifying and controlling major variables...
Curated OER
Soil Detectives: The Case of the Lost Friends
Students show how soil varies across the landscape, they explain how soil can be used to solve mysteries. Pupils are introduced to techniques that would be used to distinguish soils from different places.
Curated OER
Demonstration of Cheese-Making Enzyme Magic
Students watch a demo which is a modification of an enzyme lab which is done as a "magic show". It's primary purpose is to tickle the curiosity of the student and grab interest before discussion of enzymes. It is also used to stimulate...
Curated OER
How To Make Yeast Cells Thrive
Students set up and run the experiments they designed in the instructional activity, 'Population Growth in Yeasts,' using simple yeast-molasses cultures in test tubes. They demonstrate understanding that several environmental factors can...
Curated OER
Acids, Bases, and pH
Students investigate acids, bases,and pH. They test the acidity and basicity of various household items using litmus paper. Using their results, they rank the substances according to pH and identify the contributing chemical on the label.
Curated OER
Teaching about the Effect of pH on Aquatic Organisms
Students perform experiments to determine the PH, acidity, and buffering qualities of a lake that make them sensitive to acid deposition.
Curated OER
Vocabulary - Acids and Bases
In this acids and bases worksheet, students write in the definitions for 20 terms associated with acids and bases, including buffer, pH, and equilibrium.
Curated OER
Chemistry: pH and pOH Calculations
In this pH worksheet, students complete a graphic organizer by determining the pH and pOH of given solutions and then deciding if its an acid or base. Students write equations for dissociation reactions. This worksheet has 1 graphic...
Curated OER
pH Basics
At some point, all science learners experiment with pH. In this brief lesson, they simply use pH strips or a meter to find the pH of six different solutions. A useful worksheet that displays a data chart is included for your students.
Curated OER
Water Quality Tests Explained
Students identify the eight tests done to check for water quality. In this ecology lesson, students explain why it's important to test water in rivers. They explore sources of river water pollution.
Curated OER
Soil Sample Lab
Students test the pH of soil samples they collected from the field trip. In this chemistry lesson, students differentiate acids and bases. They write a lab report about the experiment.
Curated OER
What is pH?
Students describe pH and the importance of it in the natural world. In this Biology lesson students compare the pH of different mixtures.
Curated OER
Falling Hydrogen Ions
Tenth graders define pH and use it to interpret amounts of hydrogen ions in a solution. In this hydrogen lesson students read about acid rain, divide into groups and present their information to the class.
Curated OER
Water Quality Survey
Students identify the differences in the water quality of a stream and complete water testing. In this water quality lesson students collect aquatic insects and identify them.
Curated OER
Field Trip to test Water Quality
Students examine water quality indicators,test water quality and record their results. In this water quality lesson students complete a water testing lab and complete a lab report.