What is Heart Burn? Does it really “burn”?
Are there certain foods/ drinks that will make worse
or better?
What do you do if you have it?
Solutions
• a mixture of two or more substances that is
identical throughout
• can be physically separated
• composed of solutes and solvents
the substance in the smallest
amount and the one that
dissolves in the solvent
Iced Tea Mix
(solute)
Salt water is
considered a
solution. How
can it be
physically
separated?
the substance in the larger
amount that dissolves the
solute
Iced Tea
(solution)
Water
(solvent)
Colloids (milk, fog, jello) are considered solutions
Review
• pH is the measure of ?
10 seconds for the next question……..
• What do the letters pH stand for? (write it on your
paper)
• What is the scale we use to measure pH?
(volunteers for the board?)
• Identify how the H3+ and OH- ions form naturally
Take a few minutes and answer the following
question
What is Heart Burn?
Does it really “burn”? Are there certain foods/
drinks that will make worse or better?
What do you do if you have it?
How does your body react when you introduce
foods that are acidic and basic?
Buffer: Is a substance that can resist a change in pH. They
occur naturally in your body and can bind with an acid or
base to neutralize them.