Specific Expectations
Teach the students how to estimate and measure elapsed time using a stopwatch and the wall clock.
Materials
Stopwatches. Worksheet.
Important Terminology
elapsed time, hours, minutes, seconds.
Background Knowledge
Hook
Lesson Sequence
Talk about seconds - how short they are. Ask when you would want to measure time that accurately.
Have students close their eyes and time out 10s. ask if they thought it was longer and shorter
Brainstorm how to estimate time eg 1 mississippi.
Talk about seconds - how short they are. Ask when you would want to measure time that accurately.
Talk about how to measure time. Show how to use a stopwatch using the smartboard.
Move into how to add and subtract time.
Key Questions
When would you need to measure elapsed time to the second?
Assessment
Enrichment
Remediation
Implications for Future Lessons
These skills will be used in the Water Clock Experiment