Science 9th Sem 1 — Sect 2 — Earth science

通報

問題一覧

The _____ of the Earth is further broken into two subregions, the lithosphere and asthenosphere.

Mantle

The scientist _____ proposed that continents move around the Earth.

Alfred Wegener

The evidence used to support the continental drift theory, did NOT include:

Weather patterns

The _____ is the thinnest layer of the earth.

Crust

The inner core is primarily made of solid, ____ and ____.

Iron and nickel

A ____ is a long, undersea mountain chain with steep, narrow valley as its center.

Mid-ocean Ridge

The ___ is the only liquid layer on earth.

Outer core

The center layer of the Earth is the ____.

Inner core

New ocean floor is constantly being produced through a process, known as ____.

Sea-floor spreading

The layer of plastic rock that underlines the tectonic plates is the ______.

Asthenosphere

The regional long tectonic plate boundaries were one plate moves beneath another is called a _____.

Subduction zone

Two plates grind past each other at a _____.

Transform boundary

Convection occurs because he did material becomes ___.

Less dense, and rises

The process of a continent, breaking apart is called ___.

Rifting

Approximately 200 million years ago, all the continents were together as a single, supercontinent called _____.

Pangea

The ____ was/were formed when the Indian subcontinent crashed into the Asian continent approximately 50 million years ago.

Himalayas

The single, large ocean that surrounded the world 200 million years ago, was called ____.

Panthalassa

The ____ is a series of volcanoes that in circle the Pacific Ocean.

Ring of fire

Mountain chains are formed when two continental plates interact at a ____.

Convergent boundary

Continents grow in size when a convergent boundary causes a ___ to run into a continent.

Terrane

Science 9th Sem 1 - Secr 1 — scientific inquiries

Science 9th Sem 1 - Secr 1 — scientific inquiries

Science 9th Sem 1 — Sect 3 — Earthquakes/Volcanos

Science 9th Sem 1 — Sect 3 — Earthquakes/Volcanos

Science 9th Sem 1 — Sect 4 — Minerals

Science 9th Sem 1 — Sect 4 — Minerals

Science 9th — Sem 1 — Sect. 5 — Rocks

Science 9th — Sem 1 — Sect. 5 — Rocks

Science 9th — Sem 1 — Sect. 6 — Planets

Jace Campana · 22問 · 2年前

Science 9th — Sem 1 — Sect. 6 — Planets

22問 • 2年前