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Two young girls examine rocks and minerals from a kit on a classroom table, with a worksheet and other students visible in the background.
JANET HARDEN

6th-grade students are learning about minerals and how to identify them through both digital and hands-on activities. In the pictures, students are using mineral kits to perform two important tests: the streak test and the hardness test. The streak test helps them identify the color of a mineral’s powder, while the hardness test shows how easily a mineral can be scratched. These activities help students understand key properties of minerals and how scientists use these tests for identification.

Four students are seated at desks, examining rocks in small boxes and filling out worksheets in a classroom.