1. 8th Grade Physical Science Clermont Middle School Mrs. Miret
Classroom PPT Focus: Describing Motion October 5th – October 9th , 2015
8th Grade Physical Science
Clermont Middle School
Mrs. Miret

2. 601 COMPUTER LAB ACCESS/TUTORING is available for you on WEDNESDAYS 8:30 – 9:15 a.m.
What can we do when we come? PENDALEARNING REPORTS RESEARCH ONLINE ACCESS TO SCHOOL WEBSITE

3. BELLRINGERS 10/05 to 10/09, 2015 Create a bellringer page in your INB
BELLRINGERS 10/05 to 10/09, 2015 Create a bellringer page in your INB. You will turn this in on Friday Write the question answer the question in complete sentences.
10/5 /15 – How would you describe or define motion? See page 15 10/6/15 – How can you describe an objects position? See page 11 10/7/15 – Why is it important to have a reference point? See page /8/15 – Describing Position in Two Dimensions. What does this mean? See page 14 10/9/12 – What is the difference between constant speed and instantaneous speed?

4. HOMEWORK The week of 10/5 – 10/9/2015
Complete unfinished classwork
Update your INB
Reminder: INB will be collected on 10/9/2015
PENDALEARNING assignments due 10/9.
In Pursuit of Scientific Explanation
Introducing Forces
Changes in Scientific Knowledge

5. 10/05/2015 ACTIVITY #13 Introduction to Describing Motion
Go get your textbook
Read page 11 – 15 silently.
ACTIVITY #13: Define all chapter 1 vocabulary. The 10 words highlighted in yellow. They are on pages 11 – (Reference point, position, motion, displacement, speed, constant speed, instantaneous speed, average speed, velocity, and acceleration.) See next slide for definitions
Start the crossword puzzle on page 27. Use your vocabulary definitions to help you complete this crossword. When completed, this will be turned in for credit.

6. MOTION Vocabulary found on page 11 - 29
REFERENCE POINT: The starting point you choose to describe the location, or position, of an object.
POSITION: An object’s distance and direction from a reference point.
MOTION: The process of changing position.
DISPLACEMENT: The difference between the initial (first) position and the final position of an object.
SPEED: A measure of the distance an object travels per unit of time.
CONSTANT SPEED: The rate of change of position in which the same distance is traveled each second.
INSTANTANEOUS SPEED: Speed at a specific instant in time.
AVERAGE SPEED: The total distance traveled divided by the total time taken to travel that distance.
VELOCITY: The speed and the direction of a moving object.
ACCELERATION: A measure of the change in velocity during a period of time.

7. 10/6 BELLRINGER: How can you describe an objects position?
10/6/2015 Changes in Velocity EQ: What does a speed-time graph indicate about an object’s motion?
Write and answer your bellringer on this weeks bellringer page in your INB.
Go and get your textbook.
10/6 BELLRINGER: How can you describe an objects position?
Answer: Position is an object’s distance and direction from a reference point.
See page 11

8. 10/6/15 Changes in Velocity -Continued
CLASSWORK
Activity #14 Speed, Time, and Distance Graphs
Go to page in your textbook.
Copy the graphs pictured on those pages
(figures 14, 15, 16, 17, and 18)
The distance-time graphs are the yellow boxes with red lines.
Make sure to add the labels shown on each graph.
Add the descriptions written below the graphs.

9. Why is it important to have a reference point?
10/7/2015 BELLRINGER
Why is it important to have a reference point?
Answer: Without a reference point you cannot describe the location, or position, of an object.
See page

10. 10/ 6 and 7 /2015 Activity #15 Describing Motion / Graphic Organizer
Go to p 37 in your textbook.
Copy and complete the graphic organizer using the vocabulary list/definitions we completed on 10/5 Activity #13: Motion Vocabulary p 11-29
When completed, add the organizer to your INB as Activity #15: Describing Motion/Graphic Organizer.

11. Types of Speed - Time Graphs
10/7 ACTIVITY #16: Four Types of Speed - Time Graphs p32-34 (2nd/3rd/4th/and 6th Period Tree Map) ( 5th Period: Four Panel Foldable)
Types of Speed - Time Graphs
Object at Rest
Constant Speed
Speeding Up
Slowing Down
AN OBJECT AT REST
IS NOT MOVING. ITS
SPEED IS NOT CHANGING OVER TIME.
ITS SPEED IS ALWAYS
ZERO.
THE SPEED-TIME GRAPH FOR AN OBJECT AT REST IS A HORIZONTAL LINE.
(figure 14 on page 32)
AN OBJECT GOING
AT A CONSTANT SPEED
IS NOT CHANGING OVER
TIME.
THE SPEED IS ALWAYS
THE SAME.
FOR AN OBJECT MOVING
AT A CONSTANT SPEED,
THE SPEED-TIME GRAPH
IS A HORIZONTAL LINE.
(figure 15 on page 33)
AN OBJECT THAT IS
SPEEDING UP IS
INCREASING SPEED
OVER TIME.
THE LINE ON THE
SPEED-TIME GRAPH
IS CLOSER TO THE
x-axis AT THE
BEGINNING OF THE
TIME PERIOD WHEN
THE SPEED IS LOWER.
IT SLANTS UPWARD
TOWARD THE RIGHT
SIDE OF THE GRAPH AS
SPEED INCREASES.
(figure 16 on page 33)
AN OBJECT THAT
IS SLOWING DOWN
IS DECREASING
SPEED OVER TIME.
AS SPEED DECREASES
THE POINTS REPRE-
SENTING ITS SPEED ARE
CLOSER TO THE x-axis,
THE SPEED IS ZERO
WHEN THE OBJECT
STOPS.
(figure 17 on page 34)

12. OBJECT AT REST AN OBJECT AT REST IS NOT MOVING.
ITS SPEED IS NOT CHANGING OVER TIME.
ITS SPEED IS ALWAYS ZERO.
THE SPEED-TIME GRAPH FOR AN OBJECT AT REST IS A HORIZONTAL LINE.
(figure 14 on page 32 on the right side)

13. CONSTANT SPEED
AN OBJECT GOING AT A CONSTANT SPEED IS NOT CHANGING SPEED OVER TIME.
THE SPEED IS ALWAYS THE SAME.
FOR AN OBJECT MOVING AT A CONSTANT SPEED,THE SPEED- TIME GRAPH IS A HORIZONTAL LINE.
(figure 15 on page 33 on the right side)

14. SPEEDING UP
AN OBJECT THAT IS SPEEDING UP IS INCREASING SPEED OVER TIME.
THE LINE ON THE SPEED-TIME GRAPH IS CLOSER TO THE x- axis AT THE BEGINNING OF THE TIME PERIOD WHEN THE SPEED IS LOWER. IT SLANTS UPWARD TOWARD THE RIGHT SIDE OF THE GRAPH AS SPEED INCREASES.
(figure 16 on page 33 on the right side)

15. SLOWING DOWN
AN OBJECT THAT IS SLOWING DOWN IS DECREASING SPEED OVER TIME.
AS SPEED DECREASES, THE POINTS REPRESENTING ITS SPEED ARE CLOSER TO THE x-axis, THE SPEED IS ZERO WHEN THE OBJECT STOPS.
(figure 17 on page 34 on the right side)

16. 10/8 BELLRINGER Describing Position in Two Dimensions.
What does this mean?
See page 14
Answer:
First, choose a reference point. (from Clermont Middle)
Next, specify a reference direction (north, south…)
Then, determine the distance along each reference direction. ( 2 miles east and five miles north of Clermont Middle)

17. 10/8 ACTIVITY #17 Ways an Object can Accelerate
EQ: What is the difference between constant and changing speed?
Constant Speed
Changing Speed
Traveling the same (or constant) distance per second.
Traveling different (or changing) distances per second.

18. The relationship between ACCELERATION and VELOCITY (see p 29-30)
How does an object accelerate?
Answer: An object accelerates when velocity changes.
How does velocity change?
Answer: Velocity changes when speed, direction, or both speed and direction change.

19. 10/8 ACTIVITY #17 - continued Ways an Object can Accelerate
FRONT OF NEXT AVAILABLE PAGE:
Title the page – “Constant and Changing Speed”
Cut out figure 6 on page 20.
Glue figure 6 on your next available INB page.
BACK OF SAME PAGE:
Title this backside of the page – “Ways an Object can Accelerate”
Cut out figure 13 on page 30.
Glue figure 13 on this side of the same page.

20. 10/8 How can velocity change?
EQ: What are three ways velocity can change?
ANSWER:
Velocity changes when -
1.Speed changes
2.Direction changes or
3. Both speed and direction change

21. How fast is that object going?
I AM OBJECT AT REST:
Not moving
I AM AN OBJECT THAT IS SLOWING DOWN:
Negative acceleration or deceleration / decreasing speed
How fast is that object going?
I AM AN OBJECT THAT IS GOING AT A CONSTANT SPEED:
Speed stays the same but object is in motion.
I AM AN OBJECT THAT IS SPEEDING UP:
Positive acceleration / increasing speed

22. 10/09/15 TURN IN YOUR INB / INB CHECK #2
You must have an updated Table of Contents that includes:
Activity 8 Galileo / Graphic Organizer
Activity 9 Scientific Problem Solving
Activity 10 Measurement and Scientific Tools
Activity 11 Scientific Theory vs Scientific Law
Activity 12 Repetition vs Replication
Activity 13 Motion Vocabulary (p 11-29)
Activity 14 Speed, Time, Distance Graphs (p 31-34)
Activity 15 Describing Motion / Graphic Organizer (p 37)
Activity 16 Types of Speed – Tree Map (variation)

23. What is the difference between constant speed and instantaneous speed?
10/9 BELLRINGER
What is the difference between constant speed and instantaneous speed?
ANSWER:
Constant Speed: Same distance traveled per second. (Speed stays the same)
Instantaneous Speed: Speed at a specific instant in time.

24. 10/9 Measure It / Video
Played via Safari Montage Modern Marvels: MEASURE IT Season 15 / Episode 40