The Rock Cycle — Earth Science Übungsblatt

Grades 6–8 Leichter Schwierigkeitsgrad 10 Aufgaben

Rocks are classified into three main types based on how they form. Igneous rocks form from cooled magma or lava. Sedimentary rocks form from compressed and cemented sediments. Metamorphic rocks form when existing rocks are changed by heat and pressure.

The rock cycle shows how rocks transform over geologic time. Magma cools into igneous rock, which weathers into sediment, which lithifies into sedimentary rock, which can be buried and metamorphosed, which can melt back to magma.

No step in the cycle is required — any rock type can transform into any other given the right conditions. The cycle has no beginning or end.

Geübte Fähigkeiten

  • Classifying rock types by formation process
  • Tracing pathways through the rock cycle
  • Identifying examples of each rock type
  • Explaining weathering and erosion roles
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Übungsblatt: The Rock Cycle

Anleitung: Löse jede Aufgabe sorgfältig. Zeige deine Arbeit klar. Schreibe deine endgültige Antwort in das vorgesehene Feld oder wie angewiesen auf ein separates Blatt.

  1. 1.Which of the following is NOT one of the three main types of rocks?
    1. A. Igneous
    2. B. Sedimentary
    3. C. Metamorphic
    4. D. Volcanic

The Rock Cycle — Übungsblatt (Fortsetzung)

  1. 2.What type of rock is formed from the cooling and solidification of magma or lava?
    1. A. Sedimentary
    2. B. Igneous
    3. C. Metamorphic
    4. D. Fossilized

The Rock Cycle — Übungsblatt (Fortsetzung)

  1. 3.Describe how sedimentary rocks are formed. Include the role of weathering, erosion, deposition, compaction, and cementation in your answer.

The Rock Cycle — Übungsblatt (Fortsetzung)

  1. 4.Which process changes sedimentary rock into metamorphic rock?
    1. A. Melting and cooling
    2. B. Weathering and erosion
    3. C. Heat and pressure
    4. D. Compaction and cementation

The Rock Cycle — Übungsblatt (Fortsetzung)

  1. 5.Label the rock cycle diagram below with the following terms: Igneous Rock, Sedimentary Rock, Metamorphic Rock, Magma, Weathering & Erosion, Heat & Pressure, Melting, Cooling, Compaction & Cementation.; ; [Diagram Placeholder: Draw a circular diagram with arrows] ; ; Write your labels here (list the term next to the correct arrow or box number):; ; ; ; ; ; ; ; ;

The Rock Cycle — Übungsblatt (Fortsetzung)

  1. 6.What is the process called when rocks are broken down into smaller pieces by wind, water, or ice?
    1. A. Deposition
    2. B. Erosion
    3. C. Weathering
    4. D. Melting

The Rock Cycle — Übungsblatt (Fortsetzung)

  1. 7.True or False: Metamorphic rocks can only form from sedimentary rocks.
  2. 8.Explain what happens to a rock during the process of melting in the rock cycle. Where does this typically occur?

The Rock Cycle — Übungsblatt (Fortsetzung)

  1. 9.Which of the following is an example of an igneous rock?
    1. A. Limestone
    2. B. Granite
    3. C. Marble
    4. D. Shale

The Rock Cycle — Übungsblatt (Fortsetzung)

  1. 10.List the three main types of rocks and give one example of each.

Lösungsschlüssel

  1. 1.
    Endgültige Antwort: D. Volcanic
  2. 2.
    Endgültige Antwort: B. Igneous
  3. 3.
    Endgültige Antwort: Sedimentary rocks form through weathering (breaking down rocks), erosion (transporting particles), deposition (settling), compaction (layers pressed together), and cementation (minerals bind particles).
  4. 4.
    Endgültige Antwort: C. Heat and pressure
  5. 5.
    Endgültige Antwort: Labels (clockwise from top): Magma → Cooling → Igneous Rock → Weathering — Erosion → Sediment → Compaction — Cementation → Sedimentary Rock → Heat — Pressure → Metamorphic Rock → Melting → back to Magma.

Lösungsschlüssel (Fortsetzung)

  1. 6.
    Endgültige Antwort: C. Weathering
  2. 7.
    Endgültige Antwort: False
  3. 8.
    Endgültige Antwort: Melting occurs when a rock is heated to a high enough temperature to turn into liquid magma. This typically happens deep within the Earth's crust or mantle, often near tectonic plate boundaries or hotspots.
  4. 9.
    Endgültige Antwort: B. Granite
  5. 10.
    Endgültige Antwort: Igneous (e.g., granite), Sedimentary (e.g., limestone), Metamorphic (e.g., marble).
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Häufige Fehler, die es zu vermeiden gilt

  • Thinking all rocks must follow the same cycle path
  • Confusing sediment with sedimentary rock
  • Believing metamorphic rocks must melt to change
  • Mixing up intrusive and extrusive igneous rocks

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