NOAA
Noaa: Ocean Explorer: Off Base Acidity of Oceans
A student inquiry into properties of the ocean's carbonate buffer system, and how changes in atmospheric carbon dioxide levels may affect ocean pH and biological organisms that depend on calcification.
BBC
Bbc: Gcse Bitesize: Adaptations, Interdependence and Competition Aqa
The abundance and distribution of organisms in an ecosystem is determined by biotic and abiotic factors. Animals and plants have adaptations to allow them to compete for resources.
American Geosciences Institute
American Geosciences Institute: Earth Science Week: How Can You Test Your Soil?
As a citizen scientist, learners use a soil test kit to find out how much of each type of chemical is in the local soil.
BBC
Bbc: Gcse Bitesize: Acids, Alkalis and Salts Aqa
This lesson focuses on acids and alkalis including acidic and alkaline solutions, neutral solutions, indicators and the pH scale, the colors for litmus paper, and a link to a test.
Chem Tutor
Chem Tutor: Chemistry: Titration and P H Math Problems
This is a titration and ph math problem exercise; the answers are also provided.
Quizlet
Quizlet: The Essentials of P H and Sources of H+
This set of flashcards helps students review 56 terms related to pH and the sources of H+.
Purple Math
Purplemath: Logarithmic Word Problems
Logarithmic word problems generally involve evaluating a given logarithmic equation at a given point, and solving for a given variable; they're pretty straightforward. This resource contains worked examples to demonstrate the reasoning...
Chem Tutor
Chemtutor: Overview of P H
The learning resource explores the Chemistry topic of pH. The activity consists of a table that shows the relationship between the hydrogen ion concentration and the hydroxide ion concentration. In addition there is a pH box and...
Alabama Learning Exchange
Alex: Acids and Bases Lesson/lab
This lesson will allow young scholars to perform pH tests that determine if various solutions are acids or bases (cognitive). Students will test common household solutions such as water, vinegar, milk, and orange juice use pH indicator...
Utah Education Network
Uen: Soil P H
Students will test soils they bring from their neighborhoods for pH.
Khan Academy
Khan Academy: Test Prep: Mcat: Chemical Processes: Chemistry of Buffers and Buffers in Our Blood
Explains what a buffer is, how it is prepared, how it works to resist drastic changes in pH, and the characteristics of an effective buffer. Human blood also contains a buffer which is crucial for maintaining the blood's pH.
Cosmo Learning
Cosmo Learning: Senior Chemistry With Chemguy
A collection of video lectures from a general chemistry class for high school students. Lectures cover topics such as equilibrium, thermochemistry, electrochemistry, and acids and bases with forty-four lectures. Lectures vary in length...
University of Arizona
University of Arizona: Problemas De Acidos Y Bases
Learn about the solvent properties of water, pH, pKa and buffering capacity with a series of problems. The correct answers for the multiple choices problems are reinforced with a brief explanation and the incorrect answers are linked to...
Oklahoma State University
Oklahoma State University: Acid Base Overview
Beginning with the example of the hydrangea, this page gives a good overview of acid-base chemistry.
Science Education Resource Center at Carleton College
Serc: Mn Step: Sorting Our Way to P H
For this activity, students first sort a group of objects by their outward appearance. They then dip each object in red cabbage juice, and sort them again by how they reacted to the juice. The purpose of the exercise is to demonstrate...
Science Education Resource Center at Carleton College
Serc: Mn Step: The Effect of Acid Rain on Seed Growth
A lab activity that takes place over a few weeks, where middle schoolers first determine the pH of different solutions, then choose three that are acidic. They set up petri dishes with radish seeds and hydrate them with the different...
Simon Fraser University
Chem1 Virtual Textbook: Plotting the P H
Acting as an overview from the General Chemistry Virtual Textbook, this site acts as one in a series of slides on acid-base systems. This particular slide deals with coordinating pH graphs.
Other
Free Phonics Lessons: Lesson 58: Digraphs: /Ph/ and /Gh/
Ready-to-print phonics worksheet on the digraphs "ph" and "gh." Includes information on the digraphs, word lists, sentences using words in context, and opportunities for students to write spelling words and original sentences.
Museum of Science
Miami Museum of Science: P H Panel
Try putting different liquids into a virtual pH tester to find out whether they are acids or bases.
PBS
Pbs Teachers: Soda Bottle Boat Experiment
Use the chemical reaction that occurs when mixing a base (baking soda) with an acid (vinegar) to turn a plastic soda bottle into a jet boat.
Other
What Is Life: Aqueous Solutions
Discussion of water as a solvent. Includes material on hydrogen bonds, hydration, hydrophobic effect, acids, basses, and pH.
Northern Arizona University
Nau: P H Concentration Data
This site gives some information about Carbon Dioxide that is found in water and pH concentrations.
Other
Chemistry Tutorials and Simulations
This site includes brief Chemistry tutorials on how to simulate experiments illustrating a number of different topics.
Sophia Learning
Sophia: The Properties of Water: Lesson 3
This lesson will provide an understanding of the chemical and physical nature of water. It is 3 of 4 in the series titled "The Properties of Water."