4th Grade Rock N Roll Flashcard

Front

What is luster in relation to minerals?

Back

Luster refers to the way light interacts with the surface of a mineral, indicating its shine or reflectiveness.

Front

What tool can be used to determine if a mineral has luster?

Back

A flashlight can be used to observe the luster of a mineral.

Front

What type of rock is formed from the alteration of existing rocks due to heat and pressure?

Back

Metamorphic rock.

Front

What are fossils?

Back

Fossils are the remains or traces of ancient organisms preserved in sedimentary rocks.

Front

What process describes the breaking down of rocks into smaller pieces?

Back

Weathering.

Front

What is sedimentary rock?

Back

Sedimentary rock is formed from the accumulation and compaction of mineral and organic particles.

Front

What is an example of physical weathering?

Back

The bumping and scraping of rocks in a river.

Front

What is the difference between weathering and erosion?

Back

Weathering is the breakdown of rocks, while erosion is the movement of those broken materials.

Front

What are the three main types of rocks?

Back

Igneous, sedimentary, and metamorphic.

Front

How do fossils form in sedimentary rocks?

Back

Fossils form when organisms are buried by sediment, which then hardens into rock, preserving the remains.