Problem Source: Michelle Kretzschmar
This is a hands-on problem. You have one minute to determine which team members will solve the problem.
JUDGE READS TO TEAM (after participants are determined):
You will have 7 minutes to complete this problem. You may talk or ask questions at any time; however, time continues. At the end of 7 minutes, you will have one minute to present your solution.
Today we use a time system based on the earth’s rotation. There are 24 hours in a day, 60 minutes in an hours, 60 seconds in minute. Your Problem is: to build a new time keeping device. You must demonstrate how it would work and a describe it’s system of units of measurements. You will be given materials to be used in your solution. No other materials may be used.
Score will be as follows:
- 1-20 points for creativity of the device
- 1-20 points for creativity of the system of units and explanation.
- 1-20 points for team work
- 1 point for each item used
Materials and Setup
Give each team the following materials.
- 5 rubber bands
- 4 cups
- 10 paper clips
- Tape/mailing labels
- 12 inches of string
- 4 pipe cleaners
- 1 clothespin
- 1 plastic spoon
- 1 marker
- 1 piece of paper
- 1 golf ball
|Creativity of the device||1 – 20|
|Creativity of the system of units and explanation||1 – 20|
|Team Work||1 – 20|
|Each item used||1|