SRI International
Performance Assessment Links in Science: Mystery Card 3
Straightforward introduction to electrical circuits using minimal materials and time. Students learn about the basics of electrical circuits by experimenting with "mystery cards" -- index cards with hidden aluminum foil used to conduct...
![Do Dea: Earth Science: Unit 3: Geologic History: Timeline of the Earth [Pdf] Handout](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Do Dea: Earth Science: Unit 3: Geologic History: Timeline of the Earth [Pdf] Handout")
Department of Defense
Do Dea: Earth Science: Unit 3: Geologic History: Timeline of the Earth [Pdf]
This 2-page handout provides short descriptions of the different aeons, eras, and periods in the Earth's geological history.