Science Lesson 1: Understanding the Pieces

Question 1

Supercontinent/ Great Land Mass

Answer 1

Pangaea

Question 2

Study of the structure, evolution and dynamics of Earth

Answer 2

Geology

Question 3

Giant pieces of Earth’s crust

Answer 3

Plate Tectonics

Question 4

It states that Earth’s lithosphere is composed of fragments or plates that move around and interact with one another

Answer 4

Plate Tectonics Theory

Question 5

It came from the latin word “tectonicus” or Greek word “tektonikos”

Answer 5

Tectonics

Question 6

When a plate goes underneath another plate

Answer 6

Subduction

Question 7

Made up of various type of rocks and sediments floating on top of the malleable upper mantle

Answer 7

Crust

Question 8

Thin part of Earth’s crust that underlies the ocean basins
(5-10 km thick)

Answer 8

Oceanic crust

Question 9

Thicker and less dense than oceanic crust

Answer 9

Continental crust

Question 10

It is the layer between the crust and outer core

Answer 10

Mantle

Question 11

Region of Earth’s crust and upper mantle that are fractured into plates

Answer 11

Lithosphere

Question 12

It is liquid because the temperature are adequate to melt the iron-nickel alloy

Answer 12

Outer core

Question 13

How many lithospheric plates is Earth’s crust fractured into?

Answer 13

13 major and 20 total lithospheric plates

Question 14

It is solid because tremendous pressure is strong enough to crowd the atoms tightly together

Answer 14

Inner core

Question 15

How many volcanoes erupted in the Philippines

Answer 15

24 erupted volcanoes

Question 16

Outermost layer of the Earth
(3-44 miles and 5-70 km thick)

Answer 16

Crust

Question 17

Denser and thinner than continental crust

Answer 17

Oceanic crust

Question 18

What percentage of volcanoes are found in the Ring of Fire?

Answer 18

75% of active volcanoes

Question 19

A scientific theory that explains how major landforms are created as a result of Earth’s subterranean movements

Answer 19

Plate Tectonics Theory

Question 20

Thick part of Earth’s crust that forms large landmasses
(30-50 km thick)

Answer 20

Continental crust

Question 21

Magma builds a series of volcanoes

Answer 21

Volcano arc

Question 22

Greek word “tektonikos” meaning to _____

Answer 22

To build

Question 23

Many active volcanoes are found here

Answer 23

Pacific Ring of Fire

Question 24

What percentage of earthquakes are found in the Ring of Fire?

Answer 24

90% of earthquake

Question 25

It is formed due to the movement of plates

Answer 25

Mountains

Question 26

How many active volcanoes are in the Philippines?

Answer 26

24 active volcanoes

Question 27

It is composed mainly of an iron and nickel alloy

Answer 27

Core

Question 28

It makes up the bulk part of the Earth

Answer 28

Lower mantle

Question 29

It is a theory about how Earth’s lithosphere is divided into a series of rigid plates.

Answer 29

Plate Tectonics Theory

Question 30

Pangaea is divided into two parts which are _____ and _____

Answer 30

Laurasia and Gondwanaland