Curated OER
Air, Air Everywhere! Lesson 2: Acid Rain
Middle school environmentalists record the pH of four different liquids, including two aerosol cleaning products. They liken the products to acid rain and speculate in writing which might affect the human respiratory system. Although...
Curated OER
Acid Rain
Students investigate acid rain. In this environmental lesson, students participate in an experiment using litmus paper and various liquids and then test the acidity of the liquids. Students identify reasons why acid is harmful to the...
Curated OER
Water Quality and Environmental Pollution
Learners use litmus paper to begin to discover the qualities of acids and bases. They learn about pH by testing clear liquids for acidity with purple cabbage juice as an indicator. The video Streamkeeper, with Bill Nye, and other video...
Curated OER
Acids And Bases
In this acid and base chemistry learning exercise, learners solve 25 clues in a crossword puzzle based on the pH of common household solutions and common names of chemical compounds.
Curated OER
Acid (and Base) Rainbows
Learners are introduced to the differences between acids and bases and how to use indicators, such as pH paper and red cabbage juice, to distinguish between them. They make predictions that can be answered through scientific...
Curated OER
Acid Rain Lesson Plan Activity 2 - Understanding the Difference Between an Acid And a Base
Students experiment to determine the difference between an acid and a base. They study the concept of adding a buffering agent to make an acid more basic. They study the pH scale.
Curated OER
Acids, Alkalis and Indicators
For 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
Making A Natural pH Indicator
Students make their own pH indicator from red cabbage. Red cabbage contains a chemical that turns from its natural deep purple color to red in acids and blue in bases. Students boil the cabbage to get the pH indicator.
Curated OER
Acids and Bases Crossword
In this chemistry worksheet, students complete a crossword puzzle with 27 clues about acids and bases. Each clue lists number of letters for correct word.
Curated OER
Answers for Acids and Bases Crossword
In this chemistry worksheet, students are provided with the answers for a crossword puzzle with 27 clues about acids and bases.
Curated OER
The Air We Have Around Us
Students listen to story, The Lorax, by Dr. Seuss, discuss air quality and how people affect the earth and its atmospheric cycles, and give oral reports on what they have learned.
Curated OER
Water Purification
Students develop an understanding and appreciation of water purification techniques and their implications for health maintenance.
Curated OER
"Soil Hide and Seek"
Students comprehend the basics of soil testing. They relate the use of grids and plotting to soil samples. Students comprehend how contaminants flow through soil. They discuss factors such as: slope of the pan, time, and the amount of...
US Environmental Protection Agency
Epa: Making a Natural P H Indicator
At this site you will find a step by step process for making a natural pH indicator. One of the main materials you need to have on hand is a red cabbage.