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CHS students learn about acids and bases

Campbellsville High School biology students are learning about acids and bases.

 

Students in Lauren Bennett’s class are discussing the pH scale and how to use it to determine if a liquid is an acid or base.

 

After the lesson, students put their knowledge to the test in a lab exercise.

 

Students developed a hypothesis as to whether they believe several liquids are acidic or basic.

 

Then, students used litmus paper to see if they were correct.

 

Students tested vinegar, ammonia, baking soda, lemon juice, water, coffee, milk of magnesia, Diet Coke, shampoo, rubbing alcohol and water.

 

After performing the tests, students recorded the liquids’ pH levels and marked whether they are acidic or basic and answered questions about their results.

 

CHS sophomores Shelby Hunt, at left, and Briana Brown perform a litmus test.

CHS sophomores Shelby Hunt, at left, and Briana Brown perform a litmus test.

 

CHS sophomores Amaurie Deleon, at left, and Jade Tungate perform a litmus test.

CHS sophomores Amaurie Deleon, at left, and Jade Tungate perform a litmus test.

 

CHS sophomores Ashalique Adams, at left, and Braden Paige perform a litmus test.

CHS sophomores Ashalique Adams, at left, and Braden Paige perform a litmus test.

 

CHS sophomores Lathan Vincent, at left, and Autumn Babbs perform litmus tests.

CHS sophomores Lathan Vincent, at left, and Autumn Babbs perform litmus tests.

 

CHS sophomore Briana Brown performs a litmus test.

CHS sophomore Briana Brown performs a litmus test.

 

CHS sophomores Isis Coleman, at left, and Siera Owens perform a litmus test, as teacher Lauren Bennett watches.

CHS sophomores Isis Coleman, at left, and Siera Owens perform a litmus test, as teacher Lauren Bennett watches.

 

CHS sophomore Briana Brown performs a litmus test.

CHS sophomore Briana Brown performs a litmus test.

 

CHS sophomores Ashalique Adams, at left, and Braden Paige perform a litmus test.

CHS sophomores Ashalique Adams, at left, and Braden Paige perform a litmus test.





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