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Physics Electric and Magnetic Fields
Physics Electric and Magnetic Fields
HS PS3-5
HS PS3-5
Biology
LS2-1 Factors Affecting Ecosystems
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Chemistry PS1 9 Acids and Bases
Project Zero THINKING ROUTINES--see below
Phenomenon
Acid rain simulation in a baggie Washington International School
How effective is this in convincing you of the harmful effects of acid rain?
Acid- base theories
Acid-base reactions
Titrations
Indicator theory
pH
Extra: Strong and Weak acids
Grade: High School (9-12)
Advanced study Kw, Ka and Kb calculations
Prior Knowledge/Preview
Aerospace CONNECTIONS:
Acids and Bases in space--see below
Applications and examples:
Corrosion
Titan II & Gemini used hydrazine N2H4 – a weak base with the hydrazinium ion N2H5+ a Bronsted Lowry base like ammonia, NH3 and the ammonium ion NH4+ Popular Science
Sulfuric acid in Space NASA
Inquiry science
Printable activity
On-line activity
LAB activities follow all safety guidelines linked above
and in the activity
Lab #1 Acid-base activity: reactions and pH WIS
Lab #2 How to do Titrations WIS and Titration Calculations WIS
Lab #3 % CaCO3 in eggshell Washington International School
Lab #4 Properties of Acids Washington International School and video
EXTENSION material for the curious
Orange Juice to Strawberry Float expt FLINN
Acid rain simulation-- + thinking routine WIS
IB Acid-base REVIEW WIS
Arrhenius, Brønsted-Lowry, Lewis acid-base theories WIS
Strong and Weak Acids and Bases WIS
Why Ocean Acidity Matters NMNH
pH calculations involving Kw, Ka, and Kb WIS
Acid-base buffer investigation WIS
Acid-base dissociation examples and questions: Ka Kb
Buffer investigation activity
THINKING ROUTINE
Choose one of the three pictures on the right:
What do you see?
What do you think about that?
What does it make you wonder?
Does HCl dissociate in Space to give H+ ions?
Find out what happens to HCl in Space at https://www.technologynetworks.com/analysis/news/how-acids-behave-in-space-320405
Image Pixabay CC SA 3.0
Wikipedia CC SA 4.0
Sulfuric acid in the atmosphere of Venus
Image Wikipedia Alexparent PD
False color image of Venus NASA JPL
Sulfuric acid in the upper atmosphere of Venus
ESA CC BY 4.0
https://www.esa.int/Science_Exploration/Space_Science/Venus_Express/Acid_clouds_and_lightning