• Observe, describe, and compare the motion of objects using speed.

• Based on data collected, graph and calculate average speed using distance and time.

WARM-UPWARM-UP

Student Objective

•Go to www.quizlet.com or http://socrative.com/ to review speed vocab. (Room: mlkelly)

Kahoot!Go to internet, then kahoo.it

Enter PIN

Exit slip: Matching Vocabulary

In Each Group:

1.Walker: This person chooses what pace to walk at and stays in place for at least one interval

2. Timer: This person tells the walker when to start and stop, at 3 second intervals.

-You need to keep pace with the walker so they can hear you.

-Be sure data is recorded and human marker is standing next to the walker before saying start again.

1. Human Marker: Stand next to your walker at start & stay there until your group’s data has been recorded.

2. Data Recorder: Records data in the 1st distance column.

3. Measurer: Measures from the human marker to the walker in meters (ex: 5.25 m) and tells this number to the data recorder.

Time

(in seconds)

Distance from last time mark

(in meters)

Distance from “Start” point

(in meters)

Speed

(distance ÷ 3 sec.)

3

6

9

12

15

18

21

aa

Time

(in seconds)

Distance from last time mark

(in meters)

Distance from “Start” point

(in meters)

Speed

(distance ÷ 3 sec.)

3 3.2 3.2

6 1.5 4.7(3.2 + 1.5)

9 4.7 9.4(4.7 + 4.7)

12 0 9.4

15 1.2 10.6

18 15.3 25.9

21 8.5 34.4

aa

1.07 m/s

(3.2 ÷ 3)

0.4 m/s

0.5 m/s

(1.5 ÷ 3)

1.57 m/s

0 m/s

5.1 m/s

2.83 m/s

0 3 6 9 12 15 18 21

Time (in seconds)

Dis

tanc

e (in

met

ers)

______________________’s Speed

0 3 6 9 12 15 18 21

Time (in seconds)

Dis

tanc

e (in

met

ers)

___Mrs. Kelly’s________’s Speed50

40

35

30

25

20

15

10

5

45

4.5

Speed Graph

Time