HOW IS PH DETERMINED?
Students estimate the pH based on the use of an unknown substance, determine whether an unknown substance is acid, base or neutral, and evaluate, by the pH determination, which of the unknowns is the strongest acid or base.
9th - 12th Science 4 Views 20 Downloads
Acids, Bases, and Indicators—Colorful Chemistry
Lead the class in a colorful exploration of acids and bases as they learn to differentiate between the two. They identify common items considered acidic and basic, then explore their strengths and weaknesses. They titer solutions and...
7th - 12th Science
pH Indicators And Tests for Acids And Bases
Students create various pH indicators and test unknown solutions to determine if they are an acid or a base. After the experiment, students take a quiz, found on a website imbedded in this lesson, on what they observed and discovered.
9th - 12th Visual & Performing Arts
Great Discoveries in Science: The Double Helix
Take a trip with Watson and Crick as they struggle to determine the structure of the DNA molecule. In this beautiful documentary, biology students learn the history of this revolutionary discovery, and even hear from James Watson...
17 mins 8th - 12th Science