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## PowerPoint Slideshow about 'Speed and Motion' - yaron

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Journal Question

- 03 Oct 2012, P. 26
- How fast is an airplane traveling if it takes 2.5 hours to go from Minneapolis to New York (1200 miles).
- Agenda
- Measuring and recording speed data.
- How fast do you walk/run 10 meters?

Journal Question

- 04 Oct 2012, P. 27
- A train is moving at 50 miles per hour.
- How many miles did it travel in 2 hours?
- The train needs to travels 500 miles. How long will it take to travel this distance?
- Remember: Speed = Distance divided by time

Journal Question

- 05 Oct 2012, P. 27
- Wendy is riding her bicycle downhill at 15 miles per hour. What is her speed? What is her velocity?
- How fast is Wendy going if she traveled 3 miles in a half of an hour?
- Show your work.

Measuring Speed

- Make a table in your science notebook, P. 28.
- You will be working in groups of 4.

Measuring Speed

- Measure out 10 meters.
- Mark start and end with a small piece of colored tape.

- Start the timer.
- Walk heel-to-toe for the entire distance.
- Stop timer at the end.

- Record your data.

Agenda

- Complete 10 meter walk and run (hallway right outside of our classroom).
- Complete the directed reading assignment.
- Begin graphing your walk and run data.

Journal Question

- 08 Oct 2012, P. 29-30
- Sharon wants to meet her friends for lunch on the far side of a lake at noon (12:00). She must travel 6 miles across the lake. If she leaves at 10:00 AM, how fast must she travel to make it to lunch on time?
- Speed = Distance/Time

Vocabulary

- Speed – measurement of distance traveled in a period of time (mi/hr, m/s)
- Velocity – speed with direction
- Motion – a change in an object’s position over time relative to a reference point
- Reference point – a non-moving or stationary object
- Acceleration - measurement of how fast velocity changes (mi/hr2, m/s2)

Speed Graph for 10 m walk/run data

12

10

8

Distance traveled in meters

6

4

2

0

26

2

32

22

30

24

16

18

28

4

6

8

12

14

10

20

Time in seconds

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