Amplify 4th grade: Unit 7 Ch6 Sedimentary and Metamorphic Rocks

What is sedimentary rock made of?

• Magma

• Sediments

• Metal

• Diamonds

What happens to sediments over long periods of time to form sedimentary rock?

• They melt due to heat

• They are eroded by wind

• They are compacted and cemented together

• They expand and separate

Compared to igneous rocks, how do sedimentary rocks typically break?

• They are harder to break

• They do not break

• They break more easily

• They turn into liquid

Which sedimentary rock is often packed with fossilized skeletons and shells of tiny ocean creatures?

• Granite

• Marble

• Limestone

• Basalt

How did sandstone and mudstone get their names?

• From the color of the rock

• From the size of the rock

• From the region they are found in

• From their sediments

Where are the oldest layers of sedimentary rocks located in the formations found in Badlands National Park in South Dakota?

• At the top

• In the middle

• At the bottom

• On the sides

What is the third major class of rocks called?

• Igneous rock

• Sedimentary rock

• Metamorphic rock

• Mineral rock

How do metamorphic rocks form?

• By cooling of magma or lava

• By deposition of mineral particles

• By exposure of rocks to extreme heat and pressure

• By organic matter accumulation

What happens to granite when it is subjected to intense heat and pressure?

• It becomes a sedimentary rock called sandstone

• It becomes a metamorphic rock called marble

• It becomes a metamorphic rock called gneiss

• It remains unchanged

What does limestone turn into when it is squeezed and heated deep below ground?

• It turns into a metamorphic rock called gneiss

• It turns into a metamorphic rock called marble

• It turns into an igneous rock called basalt

• It turns into a sedimentary rock called shale