Rock Cycle Vocabulary

Question 1

Earths evolution

Answer 1

Originally earth was partly molten, allowing dense metals to sink to the core, less dense separated into layers

Question 2

Mineral composition

Answer 2

The unique combination of solid elements and compounds that make up a mineral

Question 3

Rock cycle

Answer 3

Earths rocks change from one type to another over time due to various earths processes

Question 4

Igneous rock

Answer 4

Formed when’ lava or magma cools and solidifies. Lava cools quickly, magma cools slowly

Question 5

Lava

Answer 5

Molten rock or magma that has reached the Earths surface, rapid cooling small crystals

Question 6

Magma

Answer 6

Melted or molten rock material under the earths surface, cools slowly with larger crystals

Question 7

Metamorphic rock

Answer 7

Formed dell underground where heat and pressure cause existing rocks to be changed

Question 8

Heat and pressure

Answer 8

Changing variables due to the weight of overlying rocks forming metamorphic rock

Question 9

Sedimentary rock

Answer 9

Rocks form when particles of other rocks are deposited in layers and are compacted and cemented together

Question 10

Compaction

Answer 10

Occurs when rock particle are pressed together or packed down by gravity and overlying rocks

Question 11

Cementation

Answer 11

Occurs when compacted sediments stick together and turn into rock