Curated OER
Math Practice Exam
In this math practice exam worksheet, students simplify expressions, find volume and area, write mathematical expressions multiple and divide expressions and reduce fractions. Mention is made of associated videos, but no specific...
PBS
Pbs Learning Media: Acids and Bases: Cabbage Juice Indicator
In this video segment, the ZOOM cast demonstrates how to use cabbage juice to find out if a solution is an acid or a base.
American Chemical Society
Middle School Chemistry: Carbon Dioxide Can Make a Solution Acidic
Students explain that carbon dioxide from any source reacts chemically with water to form carbonic acid. They will also be able to use the color changes of universal indicator to monitor the changing pH of a solution during a chemical...
![Pbs Teachers: Fat and Happy?: Testing for Simple Sugars [Pdf] Activity](https://content.lessonplanet.com/knovation/original/67107-890ce2654cdf488a8c3f027b91fd4ae4.jpg?1661419049 "Pbs Teachers: Fat and Happy?: Testing for Simple Sugars [Pdf] Activity")
PBS
Pbs Teachers: Fat and Happy?: Testing for Simple Sugars [Pdf]
Investigate different methods for testing the sugar content in foods, and determine relative amounts of sugar in several juices using a sugar indicator solution.
Chemistry Collective
Chem Collective: Determination of the P H Scale
This virtual lab activity where students perform the method of successive dilutions using HCl, NaOH, a pH meter, and universal indicator solution to help understand the logarithmic nature of the pH scale.
Science Education Resource Center at Carleton College
Serc: Investigating Soil Acidity: Comparing P H and Buffering Capacity of Soils
As part of acid rain study, (environmental chemistry lab) students investigate the differences in pH of soil samples. They will collect and dry samples from the local prairie including grassland, transition, forest and riverbank and...
University Corporation for Atmospheric Research
Ucar: Project Learn: Where in the World Is Carbon Dioxide?
In this instructional activity on greenhouse gas, students conduct experiments to detect and collect carbon dioxide, then use titration to determine how much carbon dioxide is present in an indicator solution.
American Chemical Society
Middle School Chemistry: P H and Color Change
Students see a demonstration of a color change using universal pH indicator and then change the concentrations of an acid and a base using a universal indicator to test the pH of the resulting solutions. Through an animation, they see...
Science Education Resource Center at Carleton College
Serc: Investigating P H of Common Household Substances
Students investigate the pH level of household substances by testing a variety of common compounds. Substances are tested with pH strips and placed on the continuum of the pH scale range of 1 to 14. After testing a solution, the student...
Chemistry Collective
Chem Collective: Determine the Concentration of Acetic Acid in Vinegar
A virtual lab where students determine the concentration of acetic acid in vinegar using a 0.110 M NaOH standard solution and an acid-base indicator, phenolphthalein.
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Graphing Ordered Pairs
Twenty-eight problems present a variety of practice graphing ordered pairs. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View Solution" button to...
Frostburg State University
General Chemistry Online: Faq: Acids and Bases
Click the basic questions regarding acids, bases, and pH to view the answers. There are sections on basic concepts, buffer solutions, pH calculation, equilibrium constants, indicators, neutralization reactions, and titrations.
Science Education Resource Center at Carleton College
Serc: Analyzing P H: Comparing Citrus Fruits, Stain Removers and a Green Product
The learners will analyze the pH of four citrus fruits: lime, lemon, orange, and a grapefruit, and then they will analyze the pH of four different types of stain removers: Shout Advanced, Spray 'n Wash Max, Oxi Clean Laundry, and Clorox...
CK-12 Foundation
Ck 12: Acid Base Neutralization
[Free Registration/Login may be required to access all resource tools.] Students will understand and differentiate among acid-base reactions, precipitation reactions, and oxidation-reduction reactions.
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.
BBC
Bbc: Gcse Bitesize: Types of Chemical Reactions
This lesson focuses chemical reactions using acidic and alkaline solutions, the pH scale which measures the acidity or alkalinity of a solution, and how to use a pH meter. A link to an assessment is also provided.
Science Buddies
Science Buddies: Cabbage Chemistry
This experiment is for all the kids out there who love boiled cabbage. Even if you don't like cabbage, perhaps you will like this amazing color-changing liquid you can make with cabbage. You'll learn which solutions around your house can...
ClassFlow
Class Flow: Acid Base Titration
[Free Registration/Login Required] Determination of the Molarity of an Acid or Base Solution.
TeachEngineering
Teach Engineering: What's the Conductivity of Gatorade?
Students use conductivity meters to measure various salt and water solutions, as indicated by the number of LEDs (light emitting diodes) that illuminate on the meter. Students create calibration curves using known amounts of table salt...
TeachEngineering
Teach Engineering: Breathing Cells
Students use a simple pH indicator to measure how much CO2 is produced during respiration, at rest and after exercising. They begin by comparing some common household solutions in order to determine the color change of the indicator....
Science Buddies
Science Buddies: Make Your Own P H Paper
In this "kitchen chemistry" project about acid/base chemistry, you will measure the acidity or alkalinity of a solution using a logarithmic scale called the pH scale. As you learn about the pH scale, you will have the chance to make your...
American Chemical Society
Inquiry in Action: Neutralizing Acids and Bases
A lab activity where students will neutralize and acidic solution with a base and a basic solution with an acid by using their knowledge of a red cabbage indicator. This site includes teacher and student instruction for the lab activity...
Chemistry Collective
Chem Collective: Determine the Concentration of the Unknown Strong Acid
Perform a titration using an indicator to determine the concentration of an HCl solution.
Chemistry Collective
Chem Collective: Determining Reagent Concentrations
Using the Virtual Laboratory, design an experiment to quickly determine which of the two reagents, HCl or NaOH, is 10 times more concentrated than the other.