Earth and Rock Structures Quiz

Which of the following is a property of sedimentary rocks?

• Contains fossils

• Made of a single mineral

• Formed from cooling lava

• Formed under high pressure

What is a mineral?

• A type of rock

• A naturally occurring substance with a definite chemical composition

• A mixture of rocks

• A layer of the Earth

How are igneous rocks formed?

• From the cooling of magma or lava

• From the accumulation of sediment

• From the evaporation of water

• From the transformation of existing rock types

Which of the following is a difference between igneous and metamorphic rocks?

• Igneous rocks are found only on the Earth's surface, while metamorphic rocks are found only underground

• Igneous rocks are always harder than metamorphic rocks

• Igneous rocks are formed from magma, while metamorphic rocks are formed from existing rocks under pressure and heat

• Igneous rocks contain fossils, while metamorphic rocks do not

What is the rock cycle?

• A way to classify minerals

• A method of mining rocks

• A type of sedimentary rock

• A process that describes how rocks are formed, broken down, and reformed

Reorder the following stages of the rock cycle

• Transport

• Burial

• Weathering

• Deposition

• Compaction

Match the following properties of each type of rock

• Sedimentary

• Formed when magma cools slowly

• Metamorphic

• Formed of layers

• Large crystal igneous

• Formed when magma cools quickly

• Small crystal igneous

• Formed by very high heat and pressure

Reorder the following into how the greenhouse effect warms the earth

• The infrared is emitted back towards earth

• The earth and atmopshere heats up

• The infrared is absorbed by greenhouse gases

• Infrared from the sun reflects off earth

Which plastic can be melted down?

Which plastic cannot be melted down?