Front

Which layer is most likely the oldest in geological formations?

Back

The oldest layer is typically found at the bottom of the sequence.

Tags

NGSS.MS-ESS1-4

Front

What is the youngest layer in geological formations?

Back

The youngest layer is typically found at the top of the sequence.

Tags

NGSS.MS-ESS1-4

Front

What type of star is the Sun?

Back

The Sun is a main sequence star.

Front

To which spectral class does the Sun belong?

Back

The Sun belongs to the G spectral class.

Front

How do you order rock layers from oldest to youngest?

Back

Rock layers are ordered from oldest at the bottom to youngest at the top.

Tags

NGSS.MS-ESS1-4

Front

What is the principle of superposition in geology?

Back

In an undeformed sequence of sedimentary rocks, the oldest layers are at the bottom.

Tags

NGSS.MS-ESS1-4

Front

Define 'stratigraphy'.

Back

Stratigraphy is the study of rock layers (strata) and layering.

Tags

NGSS.MS-ESS1-4

Front

What is a 'fossil'?

Back

A fossil is the preserved remains or traces of a once-living organism.

Front

What does the term 'igneous rock' refer to?

Back

Igneous rock is formed from the solidification of molten material (magma or lava).

Front

What is the difference between 'intrusive' and 'extrusive' igneous rocks?

Back

Intrusive rocks form from magma that cools slowly beneath the Earth's surface, while extrusive rocks form from lava that cools quickly on the surface.