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Learning resources brought to you by Tucson Unified's Curriculum and Instruction

We've provided a rich selection of free, fun online learning sources in English language arts (ELA), math, science, and visual arts to supplement your learning. These are organized by grade level. Click the grade level for your child to get started!

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This page contains a "menu" of lessons and activities for this week. You will find the objectives: the specific skills that you work on. Then you will find a selection of lessons and activities which help you practice and master those skills. If you run into technical issues or other difficulties with any of these, simply move on and choose another.

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Chemistry - Week Four

Printable Version of this lesson board in PDF format

High School Chemistry

Week 4 April 27-May 1

Weekly Packet

Topic: Acid and Bases (Part 2)  
Science Objectives: Students will… 

  • describe what happens at the particulate level that makes a strong acid different from a weak acid. 
  • relate solution conductivity to the strength of acid.  
  • appropriately describe an acid using the terms concentrated or dilute and weak or strong. 

Guiding Question 

What makes an acid strong? 

At Home Learning Packet 

Strong versus Weak Acids 
Optional extension:  Molarity 

Real World Applications 

What Makes Magic Tricks Tick? 

Vocabulary

Acid:  A compound which, when dissolved in water, gives a pH of less than 7.0, or donates a hydrogen ion. 
Base:  A substance that accepts a proton and has a pH above 7.0. A common example is sodium hydroxide (NaOH). 
Molarity:  A measure of the concentration of a chemical species, especially of a solute in a solution, in terms of the amount of the species per unit volume of solution.  
Conductivity:  The ability of a solution to conduct an electrical current. 
Concentrated:  Having a large amount of solute per unit of solvent or solution. 
Dilute:  Having a small amount of solute per unit of solvent or solution. 
Weak Acid:  An acid that does not completely ionize in solution. 
Strong Acid:  An acid that ionizes completely in solution. 

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