Curated OER
Twice Around the Clock
In this mathematics worksheet, students identify the difference between am hours and pm hours in the day. They circle either am or pm depending on what the picture is showing. Students also identify what they would be doing at 12am.
TeachEngineering
Teach Engineering: Portable Sundial
In this activity students will investigate the accuracy of sundials and the discrepancy that lies between "real time" and "clock time". They will track the position of the sun over the course of a relatively short period of time as they...