Curated OER
Red Cabbage Chemistry
An acid/base indicator that's made of blended red cabbage and water is used to demonstrate the various reactions that an acid/base solution goes through when some carbon dioxide gas is added. The best way to add the carbon dioxide is to...
Steve Spangler Science
Acid Breath - Cool Science Experiment
An acid/base indicator that's made of blended red cabbage and water is used to demonstrate the various reactions that an acid/base solution goes through when some carbon dioxide gas is added. The best way to add the carbon dioxide is to...
Curated OER
Disappearing Ink with a Carbon Dioxide Blast!
Create disappearing ink and send your own secret messages. Have your learners explore the properties of acids and bases in order to figure out how to cause a chemical reaction. After they understand the process, they can perform some...
Steve Spangler Science
Milk of Magnesia - Cool Science Experiment
Learn from Steve how to perform a beautiful demonstration of how an antacid works. He puts a pH indicator solution into a beaker with a magnetic stirrer. He pours an acid in to show the red and a base to show the blue. Then he puts...
Steve Spangler Science
Goldenrod Paper Message - Sick Science! #059
Have your class write secret messages using Goldenrod paper and a basic liquid such as ammonia. This is a great way to illustrate the chemical reactions between acids and bases. This could lead to an exploration of chemical reactions and...
Steve Spangler Science
Disappearing Ink - Cool Science Experiment
Create disappearing ink and send your own secret messages. Have your learners explore the properties of acids and bases in order to figure out how to cause a chemical reaction. After they understand the process, they can perform some...
Steve Spangler Science
Berry pH Paper - Sick Science! #048
Steve Spangler shows how to make your own litmus paper. Using blackberries, construction paper, and water, learners can make their own litmus paper in the classroom. Then, they can take different liquids, such as oil and soapy water, and...
Sophia Learning
Sophia: Acid/base Titration Calculations: Lesson 1
This lesson will demonstrate how to calculate the concentration of an unknown (acid or base) using the information obtained from a titration. It is 1 of 2 in the series titled "Acid/Base Titration Calculations."
Khan Academy
Khan Academy: Titration Curves and Acid Base Indicators
See how to choose the best indicator for different titrations depending on the pH at the equivalence point. [7:09]
Khan Academy
Khan Academy: 2015 Ap Chemistry Free Response 3 C
Learn how to solve free response 3c from the 2015 AP Chemistry test: choosing an indicator for a titration. [1:09]
Sophia Learning
Sophia: Acid/base Titration Calculations: Lesson 2
This lesson will demonstrate how to calculate the concentration of an unknown (acid or base) using the information obtained from a titration. It is 2 of 2 in the series titled "Acid/Base Titration Calculations."
Sophia Learning
Sophia: Acid/base Titration Curve: Lesson 2
This lesson will explain the regions of a titration curve and what they represent. It is 2 of 2 in the series titled "Acid/Base Titration Curve."
Sophia Learning
Sophia: Acid/base Titration Curve: Lesson 1
This lesson will explain the regions of a titration curve and what they represent. It is 1 of 2 in the series titled "Acid/Base Titration Curve."
Sophia Learning
Sophia: Acid/base Titrations Definitions: Lesson 2
This lesson will define the vocabulary of an acid/base titration - endpoint/equivalence point, titrant, indicator, and sample. It is 2 of 2 in the series titled "Acid/Base Titrations - Definitions."
Sophia Learning
Sophia: Acid/base Titrations Definitions: Lesson 1
This lesson will define the vocabulary of an acid/base titration - endpoint/equivalence point, titrant, indicator, and sample. It is 1 of 2 in the series titled "Acid/Base Titrations - Definitions."