Curated OER
Swing in Time
Learners examine the motion of pendulums and come to understand that the longer the string of the pendulum, the fewer the number of swings in a given time interval. They see that changing the weight on the pendulum does not have an...
The Franklin Institute
The Franklin Institute: Clocks Teaching Time
This site from The Franklin Institute presents a number of activities, games, exhibits, scavenger hunts, resources, links related to clocks and telling time.
Rice University
Galileo Project: Christiaan Huygens
This site from The Galileo Project of Rice University provides an outline of important facts about Chrisiaan Huygens. The topics collected include important dates, father information, nationality, education, religion, scientific...