Search Results
Showing results 1 to 2 of 2
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-256.png?itok=4lX93VP8)
The Geophysical Light/Dark Cycle
Source Institutions
This is an activity (located on page 131 of the PDF) related to sleep and circadian rhythms as well as space travel.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-251.png?itok=_URCU9TD)
Introduction to the Scientific Method
Source Institutions
In this activity (page 26 of the PDF), learners make observations, formulate hypotheses and design a controlled experiment, based on the reaction of carbon dioxide with calcium hydroxide.