Feb. 6, 2014 AGENDA: 1 – Bell Ringer 2 – HW Check-in 3 – What’s on Tomorrow’s Quiz 4 – CN: Direct vs. Indirect Variation 5 – Work Time Today’s Goal: Students.

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Presentation transcript:

Feb. 6, 2014 AGENDA: 1 – Bell Ringer 2 – HW Check-in 3 – What’s on Tomorrow’s Quiz 4 – CN: Direct vs. Indirect Variation 5 – Work Time Today’s Goal: Students will be able to contrast direct and inverse relationships between variables. Homework 1. STUDY for tomorrow’s QUIZ 2. Tomorrow is the last day for Calculator Check-in for a Grade 3. Tutoring today is in Room 116 or text or call me if you have questions.

Thursday, Feb. 6 Objective: Students will be able to contrast direct and inverse relationships between variables. Bell Ringer: Describe how the partial pressures of individual gases are related to the total pressure on the container. (Hint: Think about Dalton’s Law!) 5 minutes!

4 MINUTES REMAINING…

Thursday, Feb. 6 Objective: Students will be able to contrast direct and inverse relationships between variables. Bell Ringer: Describe how the partial pressures of individual gases are related to the total pressure on the container. (Hint: Think about Dalton’s Law!) 4 minutes!

3 MINUTES REMAINING…

Thursday, Feb. 6 Objective: Students will be able to contrast direct and inverse relationships between variables. Bell Ringer: Describe how the partial pressures of individual gases are related to the total pressure on the container. (Hint: Think about Dalton’s Law!) 3 minutes!

2 MINUTES REMAINING…

Thursday, Feb. 6 Objective: Students will be able to contrast direct and inverse relationships between variables. Bell Ringer: Describe how the partial pressures of individual gases are related to the total pressure on the container. (Hint: Think about Dalton’s Law!) 2 minutes!

1minute Remaining…

Thursday, Feb. 6 Objective: Students will be able to contrast direct and inverse relationships between variables. Bell Ringer: Describe how the partial pressures of individual gases are related to the total pressure on the container. (Hint: Think about Dalton’s Law!) 1 minute!

30 Seconds Remaining…

Thursday, Feb. 6 Objective: Students will be able to contrast direct and inverse relationships between variables. Bell Ringer: Describe how the partial pressures of individual gases are related to the total pressure on the container. (Hint: Think about Dalton’s Law!) 30 seconds!!!

BELL- RINGER TIME IS UP!

Feb. 6, 2014 AGENDA: 1 – Bell Ringer 2 – HW Check-in 3 – What’s on Tomorrow’s Quiz 4 – CN: Direct vs. Indirect Variation 5 – Work Time Today’s Goal: Students will be able to contrast direct and inverse relationships between variables. Homework 1. STUDY for tomorrow’s QUIZ 2. Tomorrow is the last day for Calculator Check-in for a Grade 3. Tutoring today is in Room 116 or text or call me if you have questions.

Thursday, Feb. 6 Objective: Students will be able to contrast direct and inverse relationships between variables. Bell Ringer: Describe how the partial pressures of individual gases are related to the total pressure on the container. (Hint: Think about Dalton’s Law!) REVIEW Answer: Dalton’s Law of Partial Pressures says that the total pressure is equal to the sum of the individual pressures. P total = P gas 1 + P gas 2 + P gas 3 + … + P gas n

What’s on Tomorrow’s Quiz  Everything from the past week and a half:  From Section 10.1 and notes: Moles and Mole-Particle Conversions  From Section 12.1 and notes: Kinetic Molecular Theory Boyle’s Law & calculations Dalton’s Law of Partial Pressures & calculations Direct vs. Inverse Relationships  You will be given the necessary equations, but you will need to know how to use them with correct UNITS

Cornell Notes  Topic: Direct and Inverse Variation  Date: 2/6/2014  Name:  Period:  (Include your Name and Period in case you lose your notes, so that I can return them to you through the Lost and Found bin)

Direct Variation  y varies directly with x (or: "x and y are directly proportional") if there is a constant k such that: y = kx  x and y are on opposite sides of the equal sign, but they are on the same “level” of the fraction (y = x) “as x increases, y increases” or “as x decreases, y decreases”

Inverse Variation  y varies inversely with x (or: "x and y are inversely proportional") if there is a constant k such that: y = k/x  x and y are on opposite sides of the equal sign, but they are on different “levels” of the fraction (y = 1/x) “as x increases, y decreases” or “as x decreases, y increases”

Direct vs. Inverse Variation Graphs Direct x ↑, y ↑ x ↓, y ↓ Inverse x ↑, y ↓ x ↓, y ↑

Reminder: What’s on Tomorrow’s Quiz  Everything from the past week and a half:  From Section 10.1 and notes: Moles and Mole-Particle Conversions  From Section 12.1 and notes: Kinetic Molecular Theory Boyle’s Law & calculations Dalton’s Law of Partial Pressures & calculations Direct vs. Inverse Relationships  You will be given the necessary equations, but you will need to know how to use them with correct UNITS