1. Title: Mrs. Ohls Starts her Day
Name
Date
Science
Class
Title: Mrs. Ohls Starts her Day
At 6:30am, Mrs. Ohls leaves her house and hops into her car. (point A)
It takes her 10 minutes to get to the gas station 12 miles away. (point B)
She needs a fill-up, which takes 5 minutes. (point C)
Next, Mrs. Ohls gets on the Merritt Parkway. It is early, so there is very little traffic.
In 10 minutes, she travels the 10 miles to exit 8, and leaves the highway. (point D)
Once on North Street, Mrs. Ohls gets stuck behind a school bus.
It takes her 10 minutes to go the last 4 miles to GCS. (point E)
Point
Time
( ) x
Distance
( ) y A B C D E

2. 3. What is the average speed for leg #1? Show your work.
Name
Date
Science
Class
Graph Mrs. Ohl’s journey, using time (minutes) on the x axis, and distance (miles) on the y-axis.
2. This journey has four parts, or legs. Label the first leg “#1” (from home to the gas station), the second leg “#2” (at the gas station), the third leg “#3” (on the highway), and the fourth leg “#4” (on North Street).
3. What is the average speed for leg #1? Show your work.
4. What is the average speed for leg #2? Show your work.
5. What is the average speed for leg #3? Show your work.
6. What is the average speed for leg #4? Show your work.
7. What is Mrs. Ohl’s average speed for the whole journey? Show your work.
8. Mrs. Ohls is required to sign each morning before 8am. Is she late this morning? Answer, using evidence from your graph.
Image of school bus at