Power DOL - Layers of the Earth and the Rock Cycle

1. Which process results in the formation of igneous rock?

• A. Volcanic laval cools and hardens.
• B. Rock is broken apart by weathering.
• C. Layers of rock bits harden together.
• D. High heat and pressure change the makeup of rock.

2. Slate is a metamorphic rock that forms from shale, which is a sedimentary rock. Which of the following should be needed for slate to form from shale?

• A. Weathing
• B. Heat and pressue
• C. Erosion and deposition
• D. Melting and solidification

3. What is the relationship between magma and lava?

• A. Magma is lava that has cooled to form solid rock.
• B. Lava is magma that has cooled to form solid rock.
• C. Magma is lava that has reached Earth's surface.
• D. Lava is magma that has reached Earth's surface.

4. Conglomerate, sandstone, and siltstone are all examples of sedimentary rocks. Which of the following is the process of formation that these rocks have in common?

• A. Evaporation
• B. Cementation
• C. Solidification
• D. Condensation

5. Which change of state takes place then magma turns into igneous rock?

• A. gas to solid
• B. solid to gas
• C. solid to liquid
• D. liquid to solid

6. While visiting the Grand Canyon, Whitney noticed that the river along the bottom of the canyon carried bits of rock as it flowed. How can river play a role in the formation of a new rock?

• A. The river will melt the bits of rock into liquid magma.
• B. The river will break the bits of rock down into metamorphic rock.
• C. The river will smooth the bits of rock until they become igneous rock.
• D. The river will deposit the eroded bits of rock where they can form sedimentary rock.

7. Elizabeth created a model in a beaker of the compositional and mechanical layers of the Earth. Which material does she use to best represent the outer core of the Earth?

• A. Gravel
• B. Honey
• C. Jello
• D. Sand

8. During a lab, a teacher sliced a peach in half and pointed to different parts of the peach to model the layers of the Earth. The seed of the peach is similar to which layer?

• 
• 
• 
• 

9. Earth is divided into compositional layers based on chemical composition. Which compositional layer is a hot, convecting layer of magma?

• A. core
• B. plate
• C. crust
• D. mantle

10. Which layer of the Earth is made up of two parts, oceanic and continental?

• A. Outer core
• B. Mantle
• C. Crust
• D. Inner core