Metamorphic Rocks

Which of the following is a metamorphic rock?

• schist
• basalt
• limestone
• shale

Which of the following is a metamorphic rock?

• obsidian
• granite
• gneiss
• sandstone

Which of the following is a metamorphic rock?

• conglomerate
• pumice
• obsidian
• marble

Which of the following is a metamorphic rock?

• basalt
• obsidian
• slate
• pumice

Which of the following is a metamorphic rock?

• granite
• sandstone
• quartzite
• conglomerate

When metamorphic rocks are formed, the extreme pressure is usually caused by the _______.

• gravity in the atmosphere
• collision of tectonic plates
• the fiery hot magma in the Earth's mantle
• weight of the mountains

When metamorphic rocks are formed, the extreme heat is usually caused by the _______.

• gravity in the atmosphere
• collision of tectonic plates
• the fiery hot magma in the Earth's mantle
• weight of the mountains

Metamorphic rocks are formed by ___.

• existing rocks are baked and squeezed by pressure
• small pieces of rock are compacted and cemented together
• magma or lava cools and hardens
• igneous rocks are broken into pieces

Metamorphic rocks form from ___.

• igneous rocks
• other metamorphic rocks
• sedimentary rocks
• all types of rocks

Metamorphic rocks change their size, shape, color and/or texture by doing all of the following EXCEPT ____.

• changing their chemical composition
• melting to form a new rock
• changing their mineral composition
• changing their crystal structure