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Investigation Question 1:
How are rocks the same and how are they different?
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Preparation
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Teaching and Learning Focus
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It is important that your students begin to understand that rocks are made of minerals. Different rocks have different characteristics because of their minerals, the ways in which the rocks were formed, and the processes that acted on the rocks since they were formed. In this first investigation, your students will use their senses to investigate some of the physical properties of different types of rocks. They will then use their observations of the rocks to identify a particular rock from a collection.
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Materials Needed
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For each student:
- rock sample (from a collection of sedimentary, igneous and metamorphic rocks)
- magnifiers
- 5” X 8” card
- Colored pencils
- Copy Master 1 (for the assessment section)
For the whole group:
- Collection of rocks of different types, shapes and sizes (at least 20)
- Flipchart and marker to record students’ observations
- Large baggie to collect rock samples
- Extra index cards for the assessment (one per student)
- Wide-tipped nontoxic markers for the assessment (one per student)
- Tape for index cards
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Safety
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This investigation is considered generally safe to do with students. Please also review the investigation for your specific setting, materials, students, and conventional safety precautions.
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