Inside Earth (pp. 16 – 24)

Section 1.1

Definitions

Geologist

Continent

Seismic Waves

Match the layer of the earth with the description.

___________________ inner core A. thinnest earth layer

___________________ outer core B. thick,extremely hot molten metal

_____________________ mantle C. rigid layer of the mantle

____________________ asthenosphere D. soft, slowly flowing layer of the mantle

____________________ lithosphere E. solid metal

_____________________ crust F. layer with the greatest volume, made

out of hot rocks.

Word Bank

Asthenosphere Lithosphere

Inner Core Outer Core

Mantle Crust

A

Inside Earth (pp. 16 – 24)

Section 1.1

This diagram represents the inside of the earth.

Blue represents water and green represents rock, soil, and tectonic plates.

Inside Earth (pp. 16 – 24)

Section 1.1

1. As you get closer to the center of the earth, the pressure __________________________________

and the temperature ______________________________________

2. The three main layers of the earth’s interior are the _________________________, the

___________________________, and the __________________

3. Ocean crust is most commonly composed of a rock called __________________whereas

continental crust is most commonly composed of a rock called _________________ .

4. Ocean crust is ____________________________ (thicker or thinner) than continental crust.

Match the chemicals with the layer of the earth in which it can be found. Several of the answers are used more than once.

1. Crust ______________________________________ A. OxygenB. Silicon

2. Mantle ______________________________________ C. IronD. Magnesium

3. Core _________________________________________ E. CalciumF. AluminumG. PotassiumH. Nickel

ANSWER IN COMPLETE SENTENCES (use the back if you need more room)

1. What are two major differences between the continental crust and oceanic crust?

2. What happens in the earth’s interior to produce the earth’s magnetic field?

Inside Earth (pp. 25 – 27)

Section 1.2

Heat Transfer

Radiation

Conduction

Convection

Density

Convection Current

This is a diagram of the mantle of the earth. Draw the convection currentsthat occur in the mantle. Be careful to draw them in the correct part of the mantle!

Inside Earth (pp. 25 – 27)

Section 1.2

Matching (Each word has three choices that match.)

____________________ radiation A. ice melting in your hand

B. heat from the sun

____________________ conduction C. touching a stove and getting burned

D. the heat you feel from a fire a few feet away

____________________ convection E. the mixing of air in the atmosphere caused by warm air rising and cool air falling.

F. spaghetti boiling on the stove rises and falls in the pot Showing that there are currents in the water

G. the heat you feel when you put your hand a few Inches away from a light bulb

H. currents caused by the heating and cooling of the magma inside the earth.

I. a spoon sitting in hot soup becomes hot.

Discussion

1. What happens to the density of a fluid when it becomes hotter? What happens to the density of a fluid when it becomes cooler?

2. What happens to convection currents when a fluid reaches constant temperature?

Inside Earth (pp. 28 – 32)

Section 1.3

Definitions:

Wegener’s hypothesis

Pangaea

Continental Drift

Fossil

Inside Earth (pp. 28 – 32)

Section 1.3

This is a map of the earth. Use the key to fill in the four major geologic evidences for continental drift. Draw each on the map, using the color you put in the key below.

Discussion:

1. What was the main reason scientists rejected Wegener’ hypothesis?

2. How many years did it take for scientists to accept Wegener’s hypothesis? Could his hypothesis be rejected again? How?

Folded mountains Glossopteris Fossils

Glacial Deposits Coal beds

Inside Earth (pp. 33 – 39)

Section 1.4

Definitions:

Mid-ocean ridge

Sonar

Sea-floor spreading

The Glomar Challenger

Deep Ocean Trench

Subduction

Molten Material (Magma)

Mantleolten Material (Magma) Rock formed when the magnetic field was in the same direction as it is today

Rock formed when the magnetic field was reversed.

Inside Earth (pp. 33 – 39)

Section 1.4

1. Use the key to color the diagram to illustrate the parts of the sea floor surrounding a mid ocean ridge.2. Label the Oceanic Crust.3. Label the Mid-Ocean Ridge

Inside Earth (pp. 33 – 39)

Section 1.4

1. Draw the location of the Mid-Ocean Ridges.

2. Draw the location of the deep ocean Trenches.

3. Label the Mid -Atlantic Ridge (write the name next to the line)

Fill in the blank

When oceanic crust meets continental crust, the oceanic crust moves

______________________ (underneath or above) the continental crust because

the oceanic crust is _________________________ (more or less) dense.

Inside Earth (pp. 42 – 47)

Section 1.5

Definitions

Scientific Theory

Plate Tectonics

Transform Boundary

Divergent Boundary

Convergent Boundary

Rift Valley

Inside Earth (pp. 42 – 47)

Section 1.5

These questions have TWO parts. 1. Name the landform 2. Diagram

1. When two oceanic plates diverge, what landform is created? Draw a diagram of this situation.

2. When a continental plate and an oceanic plate converge, what landforms are created? Draw a diagram of this situation.

3. When two continental plates converge, what landforms are created? Draw a diagram of this situation.

4. When two continental plates diverge, what landforms are created? Draw a diagram of this situation.