4.4 Key Terms.

Slides:

Advertisements

Similar presentations

Sea-Floor Spreading.

Advertisements

Seafloor Spreading What evidence do scientists have to support the fact that the Earth’s crust is continuously moving?

Sea Floor Spreading and Plate Tectonics

Chapter 17 Plate Tectonics

In the mid-1900’s, scientists realized that the ocean floor had many mountain ranges similar to those on the continents. These underwater mountain ranges.

Plate Tectonics Table of Contents Ch. 5.2 Sea-Floor Spreading

Table of Contents Drifting Continents Sea-Floor Spreading The Theory of Plate Tectonics Plate Tectonics.

Seismic Waves Vibrations that travel through the Earth carrying the energy released during an earthquake Pressure The force exerted on a surface divided.

Section 4 Sea-Floor Spreading

Sea-Floor Spreading Key Concepts

FQ: How could continents move apart? 1. Think, pair, share 2. Write your ideas in your scientist notebook.

Question Where are volcanoes found? What is a hot spot? Answer Volcanoes form along the boundaries of Earth's plates. An area where material from deep.

UNIT 3 EARTH SCIENCE RI_Z2Kgs&safety_mode=true&persist_s afety_mode=1&safe=active.

EQ: What is the process of sea-floor spreading?

Plate Tectonics Seafloor Spreading. Plate Tectonics 4 – Name the four main layers of the earth from inside to outer most layer. 3 – Name the three physical.

Sea-Floor Spreading.

Sea-Floor Spreading. Tubeworms have no mouth, eyes, or stomach ("gut"). Their survival depends on a symbiotic relationship with the billions of bacteria.

Mid-Ocean Ridge Is an undersea mountain chain that is part of a long system of mountains that winds beneath Earth’s oceans.

I can: describe what happens during Sea Floor Spreading DO NOW: What is a Mid- ocean Ridge?

Section 4: Sea-Floor Spreading

Ch5 Sec4 Sea-Floor Spreading. Key Concepts What is the process of sea-floor spreading? What is the evidence for sea-floor spreading? What happens at deep-ocean.

SEA-FLOOR SPREADING. Sea-Floor Spreading Mapping the Mid-Ocean Ridge The mid-ocean ridge is the longest chain of mountains in the world. The mid-ocean.

Inside Earth: Chapter 1- Plate Tectonics Section 4: Sea-Floor Spreading.

Sea- floor Spreading Scientists have mapped the ocean floor and mid-ocean ridge using S.O.N.A.R. Sound waves bounce off the underwater objects and then.

Sea Floor Spreading The Mid-ocean Ridge Vocabulary Sonar Sea-floor spreading Deep-ocean trench Subduction Mid-ocean ridge.

Types of Plate Boundaries After completing this section, students will identify that the Earth is made of geologic plates (Standard PI-041) and investigate.

Sea-Floor Spreading.

Subduction, Seafloor Spreading, and Ring of Fire:.

Chapter One: Plate Tectonics Section 4: Sea-Floor Spreading Pages

Sea-Floor Spreading /phsciexp/internet_activity/cfd- 1014_midocean.html.

Sea Floor Spreading The Mid-ocean Ridge.

Section Sea Floor Spreading Reading Notes 1

LEQ: What is subduction, where does it occur, and why does it happen?

How do you think the ocean floor look like?

Chapter 3: Plate Tectonics

Plate Tectonics Table of Contents Drifting Continents

Sea-Floor Spreading Pages

Review from yesterday!.

During the 1940s and 1950s, using technology developed during World War I, scientists began using sound waves to map the ocean floor.

Sea- floor Spreading The longest chain of mountains in the world is the Mid-Ocean Ridge. Scientists have mapped the ocean floor and mid-ocean ridge using.

Sea Floor Spreading Chapter 4.4.

Sea-Floor Spreading.

Sea-Floor Spreading.

Sea-Floor Spreading.

Sea-Floor Spreading.

Plate Tectonics Table of Contents Drifting Continents

9.2: Sea-Floor Spreading in the early 1900s, scientists using sonar (SOund Navigation And Ranging) discovered deep-ocean trenches deep-ocean trenches:

Continental Drift and Seafloor spreading vocabulary

Objective 10/10/12 Describe the three types of tectonic plate boundaries. Intro What do you think forms when two tectonic plates collide? What about when.

Divergent boundaries 2 plates move apart

Sea-Floor Spreading /phsciexp/internet_activity/cfd- 1014_midocean.html.

Inside Earth Section 1.4 Pages 33-39

EQ: What is the process of sea-floor spreading?

Sea-Floor Spreading.

Volcanoes & Plate Tectonics

Sea-Floor Spreading And the Mid Ocean Ridge.

Sea Floor Spreading The Mid-ocean Ridge.

Sea Floor Spreading.

DRAIN THE OCEANS!.

Sea-Floor Spreading.

Plate Tectonics.

Sea-Floor Spreading.

Sea-Floor Spreading.

Chapter 5, Lesson 2 What are mid-Ocean ridges?

Vocab #9 Mr. Addeo.

Sea-Floor Spreading.

Sea-Floor Spreading.

Sea-Floor Spreading. Tubeworms have no mouth, eyes, or stomach ("gut"). Their survival depends on a symbiotic relationship with the billions of bacteria.

Vocab # 10 Mr. Addeo.

Sea-Floor Spreading.

Presentation transcript:

4.4 Key Terms

Deep-ocean trench A deep valley along the ocean floor beneath which oceanic crust slowly sinks toward the mantle.

Sea-floor spreading The process by which molten material adds new oceanic crust to the ocean floor.

Sonar A device used to determine the distance of an object under water by recording echoes of sound waves.

Subduction The process by which oceanic crust sinks beneath a deep-ocean trench and back into the mantle at a colliding plate boundary.

Mid-ocean ridge An undersea mountain chain where new ocean floor is produced.