Download - Chapter 3, Section 2 Newton’s 1 st Law of Motion: Life and Death before and after Seat Belts
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Chapter 3, Section 2
Newton’s 1st Law of Motion: Life and Death before and after Seat Belts
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Grade Tests (MC)
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November 15, 2010HW: 3.2 PTG #1-7, Skip 4, pg 274 Due Wed
Learning Objectives: Explain how Newton’s 1st Law applies to
collisions between objects Apply the relationship between pressure,
force and area to different situations Process skill: Make a prediction based on
the question using both the independent and dependent variable
Success Criteria: Define Newton’s 1st Law Describe how inertia relates to mass and
velocity of an object Explain the forces in a collision, Identify the
relative magnitude and direction Explain how seatbelts work according to
Newton’s 1st Law Describe how different widths on a seatbelt
makes it more/less effective and why Explain the relationship between pressure,
force, and area
Do Now: WDYS/WDYT pg. 266
Agenda: Do Now Investigate
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3.2 Learning Objectives and Success Criteria-Please write on a new left side page in your notebook
Learning Objectives: Explain how Newton’s 1st
Law applies to collisions between objects
Apply the relationship between pressure, force and area to different situations
Process skill: Make a prediction based on the question using both the independent and dependent variable
Success Criteria: Define Newton’s 1st Law Describe how inertia relates to
mass and velocity of an object Explain the forces in a collision,
Identify the relative magnitude and direction
Explain how seatbelts work according to Newton’s 1st Law
Describe how different widths on a seatbelt makes it more/less effective and why
Explain the relationship between pressure, force, and area
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Chapter Challenge!
http://www.youtube.com/watch?v=HA-clh8INNY
Pg. 256-257
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Snowball!!!
Explain Newton’s 1st Law
How do you think it works in car crashes?
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November 16, 2010HW: 3.2 PTG #1-7, Skip 4, pg 274 Due Wed
Learning Objectives: Explain how Newton’s 1st Law applies to
collisions between objects Apply the relationship between pressure,
force and area to different situations Process skill: Make a prediction based on
the question using both the independent and dependent variable
Success Criteria: Define Newton’s 1st Law Describe how inertia relates to mass and
velocity of an object Explain the forces in a collision, Identify the
relative magnitude and direction Explain how seatbelts work according to
Newton’s 1st Law Describe how different widths on a seatbelt
makes it more/less effective and why Explain the relationship between pressure,
force, and area
Do Now: Predict what will happen to
the “man” at higher speeds when he doesn’t have a seat belt.
What will happen to him when he wears a seatbelt?
Agenda: Do Now Investigate
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Investigate: Part A
#1 Set up
#2 Prediction, Data
#3 Prediction, Data
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Investigate: Part B
Set upPrediction: What do you think will
happen to the passenger as the “seat belts” get wider?
#1-3 Data Collection#4-Answer in your notebook
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Exit Slip:
Provide evidence that Newton’s 1st law is working in collisions.
How do seatbelts affect Newton’s 1st law during collisions?
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November 16, 2010HW: 3.2 PTG #1-7, Skip 4, pg 274 Due Wed
Learning Objectives: Explain how Newton’s 1st Law applies to
collisions between objects Apply the relationship between pressure,
force and area to different situations Process skill: Make a prediction based on
the question using both the independent and dependent variable
Success Criteria: Define Newton’s 1st Law Describe how inertia relates to mass and
velocity of an object Explain the forces in a collision, Identify the
relative magnitude and direction Explain how seatbelts work according to
Newton’s 1st Law Describe how different widths on a seatbelt
makes it more/less effective and why Explain the relationship between pressure,
force, and area
Do Now: Why do you think the
seatbelts did less damage to the passenger as they got wider?
Agenda: Do Now Physics Talk
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Physics Talk-
Read the whole physics talkUse 2-column notes to organize and
take notes on the physics talk
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How do to 2 column notes
Question
Word
Main Idea
Answer
Definition
Details
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Pressure!
What is pressure?
How do you calculate pressure?
Force per area, where force is perpendicular to the surface.
P=F/AP=pressure (pascal)F=Force (Newtons)A=Area (m2)
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Pressure sample problems
Pg. 271-272
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Exit Ticket
What are the 3 collisions that occur in any accident?
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November 17, 2010HW: None
Learning Objectives: Explain how Newton’s 1st Law applies to
collisions between objects Apply the relationship between pressure,
force and area to different situations Process skill: Make a prediction based on
the question using both the independent and dependent variable
Success Criteria: Define Newton’s 1st Law Describe how inertia relates to mass and
velocity of an object Explain the forces in a collision, Identify the
relative magnitude and direction Explain how seatbelts work according to
Newton’s 1st Law Describe how different widths on a seatbelt
makes it more/less effective and why Explain the relationship between pressure,
force, and area
Do Now: #9 pg. 275
Agenda: Do Now PTG Review Essential Question Quiz
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PTG Review
Groups select problems
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Essential Questions
Use Newton’s 1st law to explain why a passenger keeps moving when a vehicle suddenly stops.
What evidence do you have from your experiments that collisions at higher speeds will have greater effect on the passenger?
How does what you learned in this section help you design a safety device for a collision even though you don’t know the exact circumstances of the collision?
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LO and SC Reflection
Complete LO and SC reflection in notebook
Share out answersWhat is a “good” answer? How do you
know?
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Quiz