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Mark Sailer
Science Teacher
Pioneer Jr-Sr High

# Physics I    Name : __________________________________________________

## Chapter 2 & 3  Motion and Projectile Motion UNIT

Objectives

Chapter 2

1. Explain the idea that motion is relative.
2. Define speed and distinguish between instantaneous speed and average speed.
3. Distinguish between speed and velocity, and describe how to tell whether a velocity is changing.
4. Define acceleration and give examples of its units.
5. Describe the motion of an object in free fall.
6. Describe the motion of an object thrown straight up and allowed to fall until it hits the ground.
7. Determine the speed and the distance fallen at any time after an object is dropped from rest, when air resistance is negligible.
8. Explain how graphs can be used to describe relationships among time, distance, and speed.
9. Describe how air resistance affects the motion of falling objects
10. Explain why acceleration is a rate of a rate.

## Chapter 3

1. Distinguish between a vector quantity and a scalar quantity, and give examples of each.
2. Draw vector diagrams for velocities. And use the parallelogram method to find the resultant of two vectors that have different directions.
3. Given a vector, resolve it into horizontal and vertical components.
4. For a projectile, describe the changes in the horizontal and vertical components of its velocity, when air resistance is negligible.
5. Explain why a projectile moves equal distances horizontally in equal time intervals, when air resistance is negligible.
6. Describe satellites as fast moving projectiles.

# State Objectives Addressed in this Unit:

 P.1.5 Use appropriate vector and scalar quantities to solve kinematics and dynamics problems in one and two dimensions. P.1.6 Describe and measure motion in terms of position, time, and the derived quantities of velocity and acceleration.

# Friday  August 19, 2005

Finish Chapter 1

Begin chapter 2/3 Work

Physics 500

# Monday  August 22, 2005

Class notes  Chapter 2

# Tuesday  August 23, 2005

**Chapter 1 Quiz !!!!

Chapter 1 Packet Due!!!

Class Notes chapter 2

# Wednesday  August 24, 2005

Lab Day  Merrily we roll along

# Thursday  August 25, 2005

Class Notes Chapter 3

# Friday  August 26, 2005

Class notes Chapter 3

Lab 7 Bulls eye

# Monday  August 29, 2005

B Layer work

# Tuesday  August 30, 2005  Inservice Day

B Layer work

# Wednesday  August 31, 2005

B layer work

# Thursday  September 1, 2005

A Layer work

# Friday  September 2, 2005

A Layer work

All Work needs to be completed and turned in as a packet/portfolio on September 7, 2005.  Dont lose this sheet or any of your work!!!

Chapter 2/3 TEST  - September 7, 2005

C Layer (65 points maximum)

1.  Vocabulary Cards (10 points)       _____

2.  Reading Notes Chapter 2 (5 points)      _____

3.  Reading Notes Chapter 3 (5 points)      _____

### 4.  Class Notes Chapter 2, Chapter 3  (5 points each Day of notes)   _____

Linear Motion Video (10 points)   _____

Vectors and Projectiles Video (10 points)  _____

5.  Concept Development Practice Book 2-1 (5 points)    _____

6.  Concept Development Practice Book 2-2 (5 points)    _____

7.  Lab 2  Physics 500 (5 points)       _____

8.  Lab 4  Merrily We Roll Along (10 points)     _____

9.  Chapter 2 Review p. 25 +  (# 26, 28, 32, 34, 36, 37 , 39, 43, 45, 48) (10 Points) _____

10.  Concept Development Practice Book 3-1 (5 points)    _____

11.  Concept Development Practice Book 3-2 (5 points)    _____

12.  Chapter 3 Review p. 40 + (19, 21, 22, 29, 34, 39, 44, 45)   _____

13.  Lab 7 Bulls Eye (10 points)       _____

B Layer  (Choose one  15 points  Experiment and Report)

1.  How do the motion diagrams of a fast toy car and a slow toy car differ?  (You could choose other objects.)

2.  What factors affect the speed of an object down a ramp?

1. What factors affect the path of a projectile?
2. Activity 53 on page 27.  Describe your methods and show all data and calculations. Select another student and find their hang time as well.

5.  Select another experiment.  Get approval before starting.

A Layer  (Choose one  20 points)

1. The study of various motions in nature requires devices for measuring periods of time.  Prepare a presentation on a specific type of clock such as water clocks, sand clocks, pendulum clocks, wind up clocks, atomic clocks, or biological clocks.  Who invented or discovered the clock?  What scale of time does it measure?  What are the principles or phenomena behind each clock?  Can the clock be calibrated?  Research the clock and provide references.
2. Watch a videotape of a football kickoff.  Measure the time of flight and note the starting and ending yard lines.  Calculate the initial horizontal and vertical velocities, the initial velocity, and the maximum height.  Select another sport in which projectile motion is evident (such as golf or soccer.)  Analyze the motion of the projectile and compare the motion of the two objects.   Be sure to include all data and calculations.  Make a report or display sharing your results.
3. Select another topic.  Get approval before starting.

C Layer Points Earned ________ B Layer Points __________ A Layer Points _________

TOTAL ________________

Grades   40-55 D  56-70  C  71-85 B  86+ A

Keep track of your points by circling the activity and writing your points received.

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