These problems dig into mineral tests and rock cycle pathways. Students fill in that feldspar is Earth's most abundant crustal mineral, that a glassy shine is called vitreous luster, and that quartz sits at hardness 7 on the Mohs scale. Other items cover river deltas, fracture, evaporating water leaving behind rock salt, schist's sparkly texture, and obsidian cooling too fast for crystals to form.
A matching exercise links four processes — melting and cooling, weathering and erosion, heat and pressure, compaction and cementation — to the rock or sediment each one produces. Fourth graders leave able to map the cycle both ways.
Style:
Rocks and Minerals
Part A: Fill in the Blank
Write the missing word or number on each line.
1. Feldspar is the most abundant mineral in Earth's crust.
2. A mineral with a glassy or shiny appearance is said to have a vitreous luster.
3. Sediment carried by rivers is often deposited at the mouth of the river in a fan shape called a delta.
4. Quartz has a hardness of 7 on the Mohs scale.
5. Minerals that break with rough, uneven surfaces have a property called fracture.
6. Rock salt is a sedimentary rock that forms when water evaporates and leaves minerals behind.
7. Schist is a metamorphic rock known for its sparkly, flaky texture.
8. Volcanic glass like obsidian cools so fast that no crystals have time to form.
9. The movement of weathered rock pieces from one place to another is called erosion.
Part B: Matching
Match each item on the left to the correct answer on the right.
1. Match each process to what it produces.
melting and cooling
→ igneous rock
sedimentary rock
weathering and erosion
→ sediment
metamorphic rock
heat and pressure
→ metamorphic rock
sediment
compaction and cementation
→ sedimentary rock
igneous rock
Rocks and Minerals
★ Part A: Fill in the Blank
Write the missing word or number on each line.
1) Feldspar is the most abundant mineral in Earth's crust.
2) A mineral with a glassy or shiny appearance is said to have a vitreous luster.
3) Sediment carried by rivers is often deposited at the mouth of the river in a fan shape called a delta.
4) Quartz has a hardness of 7 on the Mohs scale.
5) Minerals that break with rough, uneven surfaces have a property called fracture.
6) Rock salt is a sedimentary rock that forms when water evaporates and leaves minerals behind.
7) Schist is a metamorphic rock known for its sparkly, flaky texture.
8) Volcanic glass like obsidian cools so fast that no crystals have time to form.
9) The movement of weathered rock pieces from one place to another is called erosion.
★ Part B: Matching
Match each item on the left to the correct answer on the right.
1) Match each process to what it produces.
melting and cooling
→ igneous rock
sedimentary rock
weathering and erosion
→ sediment
metamorphic rock
heat and pressure
→ metamorphic rock
sediment
compaction and cementation
→ sedimentary rock
igneous rock
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10 Questions
10-15 minutes
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