Metamorphic Rocks and Their Formation

What does the term "metamorph" signify when describing rocks?

• To solidify quickly

• To erode slowly

• To change form

• To break apart easily

What are the main conditions required for the formation of metamorphic rocks?

• High wind and water erosion

• Extreme heat and pressure

• Rapid cooling of lava

• Chemical reactions with air

What types of existing rocks can undergo metamorphism to become metamorphic rocks?

• Only igneous rocks

• Only sedimentary rocks

• Sedimentary, igneous, and other metamorphic rocks

• Only rocks found on the Earth's surface

Which of these transformations correctly identifies a metamorphic rock formation?

• Shale becoming slate

• Sandstone becoming clay

• Limestone becoming granite

• Basalt becoming obsidian