Q:  For Zip-A-Dee-Do-Dah, the event description says SI units will be used. Can you clarify what this is? Will the students need to know how to do any unit conversion (inch to feet or centimeters to meters)?

A: By SI units, we mean that distance will be expressed in meters, time in seconds, and speed in meters/second. The students will not need to do any unit conversions on the test.