Unit 2 Review

Front

What is an index fossil?

Back

An index fossil is a fossil that is used to define and identify a particular time period in the geologic time scale. It is typically widespread and existed for a relatively short duration.

Tags

NGSS.MS-ESS1-4

Front

Why is the ammonite considered a good index fossil?

Back

The ammonite is considered a good index fossil because it is widespread and short-lived, making it useful for dating and correlating the age of rock layers.

Tags

NGSS.MS-ESS1-4

Front

What does the Fossil Record represent?

Back

The Fossil Record represents a collection of all known fossils and their placement in rock formations, providing evidence of the history of life on Earth.

Tags

NGSS.MS-LS4-1

Front

What is the significance of the Geologic Time Scale?

Back

The Geologic Time Scale is significant because it provides a chronological framework for understanding the history of Earth, including the timing and relationships of events in Earth's history.

Tags

NGSS.MS-ESS1-4

Front

What occurs at an ocean-ocean divergent plate boundary?

Back

At an ocean-ocean divergent plate boundary, tectonic plates move apart, leading to the formation of a Mid-Ocean Ridge where new oceanic crust is created.

Front

What is seafloor spreading?

Back

Seafloor spreading is the process by which new oceanic crust is created at mid-ocean ridges as tectonic plates diverge, causing the ocean floor to expand.

Tags

NGSS.HS-ESS1-5

NGSS.HS-ESS2-1

Front

How do fossils contribute to our understanding of Earth's history?

Back

Fossils provide evidence of past life forms, their environments, and the changes that have occurred over geological time, helping scientists reconstruct Earth's history.

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Front

What are the main types of plate boundaries?

Back

The main types of plate boundaries are divergent, convergent, and transform boundaries, each characterized by different interactions between tectonic plates.

Front

What is the role of tectonic plates in the formation of geological features?

Back

Tectonic plates play a crucial role in the formation of geological features such as mountains, earthquakes, and volcanic activity through their movements and interactions.

Tags

NGSS.MS-ESS2-3

Front

What is the relationship between fossils and rock layers?

Back

Fossils are often found in sedimentary rock layers, and their presence can help determine the relative age of the rock and the environment in which it was formed.

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

NGSS.MS-LS4-1