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Welcome ! CAPT Physical Science.

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Presentation on theme: "Welcome ! CAPT Physical Science."— Presentation transcript:

1 Welcome ! CAPT Physical Science

2 What is an ACID? Here’s what you should know about acids:
An ACID is a Compound that has Hydrogen at the Beginning of its formula Examples of Acids: HCl H2SO4 HNO3 Here’s what you should know about acids: Can burn your skin React with metals Can damage building materials What's a BASE ? - Opposite of an ACID - Used to Neutralize and ACID - Formula ends with -OH

3 How do we Measure ACID or BASE ? pH Scale

4 BASES Let's Sort These: ACIDS Calcium Carbonate (TUMS, Rolaids)
vs. BASES Let's Sort These: Lemon Juice Alka-Seltzer Orange Juice Vinegar Calcium Carbonate (TUMS, Rolaids) Baking Soda

5 BASES Let's Sort These: ACIDS Calcium Carbonate (TUMS, Rolaids)
vs. BASES Let's Sort These: Alka-Seltzer Lemon Juice Calcium Carbonate (TUMS, Rolaids) Vinegar Baking Soda Orange Juice What is ACID RAIN ?

6 ACID Rain When pollutants, such as sulfur and nitrogen oxides (SOx and Nox) combine with water they make acid rain, rain that is acidic (pH<5.5)

7 What are some environmental concerns with Acid Rain?
Damage to plant life by corrosion Shallow and stagnant bodies of water are particularly vulnerable Damage to man made structures Decrease in soil pH

8 Acid Rain Lab Lab Discussion & Analysis
How is the type of building material affected by acid rain? What is the Independent Variable? What is the Dependent Variable? What should be Controlled in this experiment?

9 Acid / Base Review Term Definition Begins with an H BASE
0-14 (7 is neutral) STRONG ACIDS Rain w/ pH <5.5 SO, NO pollutants

10 Acid / Base Review Term Definition ACID Begins with -H BASE
Ends with -OH pH SCALE 0-14 (7 is neutral) STRONG ACIDS pH 0-3 ACID RAIN Rain w/ pH <5.5 SO, NO POLLUTANTS Combines w/ H2O

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