Texas Ed: Comments on Education from Texas

March 1, 2005

HO: Time Anew

Filed under: education — texased @ 11:11 am
Time Anew

Judges Version
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

Scoring Grid

Item Quantity Value Total
Creativity of the device 1 – 20
Creativity of the system of units and explanation 1 – 20
Team Work 1 – 20
Each item used 1

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