Curated OER
Mohs Hardness Test
Fifth graders examine what the Mohs Hardness Scale is before testing a number of minerals to determine their place on the scale. They test a fingernail, a penny, a knife blade, a metal file, and several unknown minerals and rocks using...
Science Education Resource Center at Carleton College
Serc: Investigating Minnesota Rocks: The Properties of North Shore Rocks
Students will investigate rocks from the North Shore of Minnesota. Students will begin by forming questions that they have about the rocks. They will use observation skills to identify attributes of the rocks. The students will use...