What does the term "metamorphic" mean in the context of metamorphic rocks?

• Rocks that are melted into magma

• Rocks that are unchanged in form

• Rocks that have changed in form

• Rocks that are found on the Earth's surface

What is the result of the heat and pressure applied to rocks deep under the Earth's surface?

• The rocks melt into magma

• The rocks explode

• The rocks turn into sedimentary rock

• The rocks transform into metamorphic rock

Which of the following rocks is an example of a sedimentary rock turning into a metamorphic rock due to heat and pressure?

• Granite turning into gneiss

• Limestone turning into marble

• Shale turning into slate

• Both B and C are correct

What happens to the mineral grains in a rock under high heat and pressure, according to the text?

• They melt and form magma

• They explode and scatter

• They change, flattening or forming layers of different densities

• They remain completely unchanged

Which of the following is NOT true about metamorphic rocks?

• They are formed from igneous rocks

• They are formed from sedimentary rocks

• They are formed from melting rock into magma

• They can have layers of different densities

What is a characteristic of metamorphic rocks that makes them useful in building?

• They are porous and allow water to pass through easily.

• They are tightly packed and not porous.

• They are soft and easy to break.

• They change form when exposed to water.

Why has marble been used in sculpting since the time of the ancient Greeks?

• Because it is very hard and durable.

• Because it is porous and lightweight.

• Because it is easy to carve.

• Because it changes color over time.

What is the name of the famous ancient Greek statue mentioned in the text?

• Apollo of Olympia

• The Thinker

• Venus de Milo

• Statue of Zeus at Olympia