Curated OER
Eight Basic Elements of the Earth
Students identify the concept of an element and work with an idea that all of the millions of substances on the earth are various combinations of only 8 elements. They work with the Periodic Table of the Elements and symbols of the...
Curated OER
Morse Code and Computers
In this Morse code worksheet, students read a short passage about the invention of Morse code and the use of telegraphs. Students answer three paragraphs about the passage.