Ever Changing Earth

Warm Up 1.5.15

Welcome back! In your notebook, describe what the electromagnetic spectrum is. How is it organized? What part of it can we see? Answer in at least three complete sentences!

Reading 1.6.15

Read pages EE 10 – EE 11 in your Ever Changing Earth Book. Take notes and be prepared to discuss on Java, Indonesia.

Warm Up 1.7

Read EE 12 & EE 13 on the Baja Peninsula. Take notes while reading and be prepared to discuss what you learned.

Java, Indonesia Facts

Location : Southeast Asia

13th largest island in the world, 5th largest in Indonesia

Population: 141 million

Almost entirely volcanic origin, contains 45 active volcanoes

Natural environment: tropical rainforest

Highest Elevation: 12,060 feet

Most recent eruption: February 14th, 2014

Vocabulary Volcano: A vent in the surface of earth through

which magma and associated gases and ash erupt Earthquake: a sudden motion or trembling in Earth

caused by the abrupt release of slowly accumulated strain

Geology: The study of planet Earth: the materials of which it is made, the processes that act on these materials, the products formed, and the history of the planet and all its forms since its origin.

Earth structure: a definable shape formed by geologic activity

Geologist a person who is trained in and works in any of the geologic sciences.

Think about the structure of the Earth Get started:

With a partner, you will be assigned one of the geologic events pictured on pages 61 & 62 and answer the following questions on a separate sheet of paper to turn in.

What changes occurred in the area you selected? Changes might be large or small. You might notice the size, shape or position of parts of the area may have changed. Describe each of these changes

What evidence do you see in the photographs that might indicate earth’s surface is not one continuous piece?

** You and your partner will be graded on your answers so you must be VERY DETAILED!

Conference

Now meet with other people who observed the same picture as you do. Share what you observed.

Take notes on your group discussion on the sheet of paper to be turned in.

Warm Up 1.8

Read pages EE14-EE15 on the Hawaiian Islands. Take notes while reading and be prepared to share facts that you learned about Hawaii in a discussion!

Hawaiian Island facts

Location: Southwest United States, made up of 8 islands

50th of all the states

Natural environment: Tropical

Population: 1.392 million

Highest elevation: 13,796 ft

Number of volcanos: 12 but there are many others in the ocean

Most recent eruption: March 5th, 2011

Home to Mt. Kilauea , the largest volcano on earth which rises 25 miles above sea level

Stop and Think

Read Benny’s letter on page EE65 and answer the stop and think questions 1-5 on page EE 66.

Answer in complete sentences Finish with reading ‘What’s the point?’

Warm Up 1.9

Read pages EE16-EE17 on Iceland. Take notes while reading and be prepared to share facts that you learned about Iceland in a discussion!

Iceland Facts

Location: South of the Arctic Circle, near Europe

Population: 322,000 people Natural Environment: sub polar oceanic,

highly volcanic 34 Volcanoes, some active, some inactive Most recent eruption was January 3rd, 2015

Bardarbunga

Earth’s Layers

Warm Up 1.12

Read pages EE 18 & EE 19 on Mount Everest. Take notes and be prepared to share what you learned in the class discussion.

2.2 Vocabulary

Crust: the outermost layer of earth, composed of rock. Plates: sheets of rock that include part of Earth’s crust Plate tectonics: the theory that Earth’s crust is divided

into a number of plates, and the study of how the plates move and interact with one another

Mantle: the zone of earth beneath the crust and above the core. It is divided into the upper mantle and the lower mantle

Core: the central part of Earth made of iron and nickel. It consists of a liquid outer core and solid inner core.

Warm Up 1.13

Read pages EE 20 & EE 21 on Mount Fuji. Take notes and be prepared to share what you learned in the class discussion.

Japan Facts

Location: Island nation in East Asia

Population: 126,659,000 people

118 Volcanoes, makes up 10% of the worlds volcanoes

Belongs to the Pacific Ring of Fire

Most recent explosion: March 11th, 2014

Vocabulary 2.4 Composition: The parts, ingredients or elements

that form a whole Density: the mass of quantity of a substance per

unit volume Seismology: The study of earth quakes and the

structure of the earth, using information from seismic waves

Seismic wave: a general term for waves produced by earthquakes or artificially through explosions

Brainstorm

Think of a better way to represent the Earth’s structure than Benny’s Egg model. Be descriptive and explain what each layer would be.

Write a letter back to Benny describing the earth layers in your model.

Warm Up 1.14

Read Pages EE 22 – EE 23 on Argentina. Take notes and be prepared to share during a class discussion.

Density Lab You will be placed in groups of 4-6 students. Follow all

directions for the lab and wear safety goggles while working on the activity. Fill out your density lab worksheet and answer questions 1-6 on the back to be turned in for a class grade. Each member of the group will have one job title. If anyone does not follow these guidelines, they will be asked not to participate. Group Manager Reader Supplies gatherer Safety coordinator Cleanup (Everyone)

Plate Boundaries

the area along the edges of earth’s plates Some of the most geologically active parts of

earth’s surface Most earthquakes, volcanoes, and mountain

formations occur near plate boundaries

2.4 Vocabulary continued

Fault: a fracture (break or crack) through rock, along which the masses of rock on either side of the fracture move

Fold: a bend in rocks Fault block mountain: mountains that form

when one side of a fault is lifted above the other side

Crust Oceanic

The part of earth’s crust that are under the ocean

These parts are the thinnest

Density of 3.0 g/cm3

Continental: The part of earth’s crust that form the continents

Thicker than oceanic crust

Less dense than oceanic crust

Density of 2.7 g/cm3

Warm Up 1.15

Read Pages EE 24 – EE 25 on Puebla, Mexico. Take notes and be prepared to share during a class discussion.

Stop and Think Pg 79

Answer the questions on page 79 in your notebook.

2.4 Vocabulary Continued Lithosphere: the right outer layer of earth, made of

the crust and the solid, uppermost part of the mantle

Asthenosphere: a region of earth’s interior immediately below the lithosphere where mantle rocks are hot enough and under enough pressure to deform, change shape, and flow

Outer core: the outer layer of earth’s core made of melted, liquid metal.

Molten: made liquid by heat Inner core: the inner layer of earth’s core believed

to be made of solid iron and nickel

Warm Up 1.16

Read Pages EE 26 – EE 27 on Tanzania. Take notes and be prepared to share during a class discussion.

Tanzania Facts

A country in East Africa Population: 44 million people Has 9 volcanoes in Tanzania, Mt. Kilamanjaro being

the largest March 11, 2008 (Ol Doinyo Lengai) Is a part of the Great African Rift Valley

Warm Up 3.17 & 3.18

Explain why you think the Earth’s plates move and cause geologic activity? Answer in 2-3 COMPLETE sentences.

Lab Questions

Finish answering questions 1-6 on pages 81 & 82 on your density lab. We will go over these in class. You will be turning in your lab worksheet for class grade so make sure they are complete sentences!

Earth Systems

Atmosphere: the part of Earth’s system made of the mixture of gases that surround Earth.

Biosphere: The part of Earth’s system that includes all living organisms (animals and plants) and also dead and decaying plant matter. Includes parts of the lithosphere, hydrosphere and

atmosphere.

Hydrosphere: the part of Earth’s system that includes all of the plant’s water, including oceans, lakes, rivers, ground water, ice and water vapor.

Geosphere: The part of earth’s system that includes the crust, mantle, and inner and outer core.

Cracking Up

Read the article ‘Cracking Up’ and answer the questions on the worksheet for a grade.

Reminder

All late work and retakes must be done by March 26th in order to be considered for a grade for 3rd quarter. Notebook checks will be next week! Make sure everything is glued or taped in!

Warm up 3.19 & 3.20

Give one example of something that would be in each of the earth’s systems. Describe how they all interact with one another. Must answer in complete sentences!

Cracking Up

If you have not finished the ‘Cracking up’ reading and worksheet you have fifteen minutes to do so now. It must be turned in by the end of the class. It counts as a classwork grade.

Lab Activity

You will work in partners with the person sitting next to you at your desk. You MUST follow the Procedure for this lab on page 93. You will be given a worksheet to fill out while doing this lab. When you have finished cleaning up after the lab answer REFLECT questions 1-3 on page 95. You can answer those questions on the back of the worksheet.

Learning Set 3 Vocab

Tsunami: a series of huge ocean waves often triggered by an underwater earthquake.

Stress: a force that squeezes rocks together, stretches or pulls them apart or pushes them in different directions

Focus: the point where part of the crust breaks loose and moves suddenly, causing an earthquake

Vibrations: back and forth motions that carry energy from one place to another

Epicenter: the point on the surface of the earth directly above the focus of an earthquake, often where the most damage from an earthquake occurs

Warm Up 3.21 & 3.24

What is the importance of knowing where plate boundaries are?

Stop and Think Pg 99 & 100

Pg 99 Stop and Think What determines the strength of an earthquake? How are faults related to earthquakes?

Pg 100 Stop and Think What happens at the focus at the onset of an

earthquake? How is the focus related to the epicenter of the

earthquake?

Learning Set 3.2 cont’d Body waves: seismic waves that travel through

earth. Surface waves: seismic waves that travel along the

surface of the earth. P-waves (primary): longitudinal seismic waves that

can travel through solids, liquids, or gases, and are the fastest type of seismic waves.

S-waves (secondary): transverse seismic waves that can travel only through solids and are slower than P waves.

Longitudinal wave: a type of wave that travels through Earth in a push-pull pattern.

Transverse wave: a type of wave in which particle displacement is perpendicular to the direction of the wave.

How do scientists collect and evaluate data from earthquakes?

Read pages 105-114 and fill in and answer the reading guide.

Warm Up 3.25 & 3.26

What is the difference between P-waves & S-waves. How do they travel? Explain in 2-3 complete sentences.

Reading Guide

Finish 3.3 Reading Guide from pages 105-115. You will be called up to have your notebook checked. Work quietly.

Quiz

You will have a quiz next class on learning set three. Make sure you know how seismic waves travel.

Warm Up 3.28 & 4.1

Why can’t you judge an earthquake based upon it’s intensity?

When you are done with the warm up start studying for your quiz on 3.2 material.

Convection lab

You will be placed in four groups to do the convection lab. While doing the lab make sure to consider these questions…. How is this like earth’s mantle? What are the driving forces behind the

convection current?

Vocabulary

Convection current: the cycle of movement when warm, less-dense fluids rise and cool and more dense fluids sink due to differences in temperature

Plume: a hot, rising, column of mantle material. Mid-ocean ridge: a continuous range through the

oceans, which is subject to earthquakes Lava: fluid rock that comes from a volcano;

becomes solid by cooling

Vocabulary cont’d

Ocean-floor spreading: a process by which new ocean floor is created in the area where two plates are moving apart.

Ridge push: the push of older crust away from a plate boundary

Slab pull: the movement of older crust down toward the center of earth.

Warm Up 3.31 & 4.3

How is earth’s mantle similar to a pot of boiling water on a stove top?

Read 4.3 Read Pages 159-162 with your partner. On page 163 answer the

‘Stop and Think’ questions 1-3. Follow the directions below for question #2.

1. How do changes in heat energy affect the density of Earth’s mantle material?

2. Write a short story detailing the journey of a cubic centimeter (cm3) of mantle material through a convection current beginning at the core. Be sure to include information about what happens to its molecules. Support your story with sketches.• Write a short story as if you are the cubic center of mantle traveling

through the convection current.

• Draw a cartoon or pictures for a visual interpretation of this story

• Each group will read and present their stories.

• This will count as a class project grade so do a good job!

3. Draw a cross section of Earth, showing the core, mantle, and crust. Draw arrows to represent a convection current in Earth’s mantle.

Read 4.3

When you are done continue reading section 4.3 on pages 164-167. Answer the reflect questions 1-4 on page 166 in your notebook.

Warm up 4.2 & 4.7

Describe two factors that drive plate motion and discuss how they work together to move Earth’s plates. Answer in 2-3 complete sentences.

Volcano Vocabulary

Volcano – Any place in Earth’s crust where mantle material and other substances reach the surface OR an Earth structure formed by the accumulation of lava and other volcanic materials.

Volcano fields – clusters of volcanoes Active volcano – currently erupting or expecting

to erupt Dormant volcano – currently not erupting,

erupted in past, likely to erupt again Extinct volcano – not active and not likely to

erupt

Cinder Volcanoes

A cone-shaped hill made of ash and rock particles around the vent of a volcano.

Shield Volcano

A gently-sloping volcano formed when runny lava spreads out over a large area.

Stratovolcano

A steep-sided, cone-shaped volcano made of alternating layers of ash and lava.

Volcanoes

Cone – a cone shaped hill made of ash and rock particles around the vent of a volcano

Shield – a gently- slopping volcano formed when runny lava spreads out over a large area

Stratovolcano – a steep-sided, cone-shaped volcano made of alternating layers of ash and lava

Parts of a volcano

Volcano Video

http://app.discoveryeducation.com/search?Ntt=stratovolcanoes

Warm Up 4.4 & 4.9

Describe the process of ocean-floor spreading. How does this relate to the convection current? Answer in 2-3 complete sentences.

5.3 Read

Read pages 189-198. Answer the ‘Stop and Think’ Questions on pages 191, 192, 194, & 197. This ten questions in all. Each question is worth ten points. You must have this completed by the end of the class. All questions must be answered in COMPLETE sentences.

Warm up 4.8 & 4.11

Compare and contrast the three different types of volcanoes that we discussed last class.

Vocabulary Igneous Rock: a rock that has solidified from molten

or partly molten materials (magma) Sediment: particles of solid material that have

moved from their place of origin by wind, moving water, or glacier ice and deposited on a surface

Sedimentary rock: rock formed from small particles of rock or pieces of once-living things.

Fossils: the remains or traces of once living things Metamorphic rock: rock formed by heat and

pressure from another kind of rock.

The rock cycle

Rock cycle: the way in which rocks are continuously recycled over time

The Rock CycleRock Type How Its Formed Examples

Sedimentary Small particles worn away, deposited, and cemented together

SandstoneConglomerate

Igneous Formed from the cooling of molten magma

BasaltPumice Obsidian

Metamorphic Formed from heat and pressure from another kind of rock

Marble (parent rock = limestone)Slate (parent rock = shale)

Sedimentary Rock

Conglomerate

Sandstone

Igneous Rock

Basalt

Pumice

Obsidian

Metamorphic Rocks

Marble (parent rock = limestone)

Slate (Parent rock = shale)

The Rock Cycle Video

http://www.youtube.com/watch?v=SRaInMDNyE8

Soil

Loose covering of rock particles and organic matter at Earth’s surface.

Layered into horizons.

Threats to Soil Quality

Sealing (permanent coverings such as roads and buildings)

Compaction (pushing rock particles closer together). Causes pore size to decrease.

Erosion (by wind and water) Contamination Change in biodiversity Waste to land contamination

(fertililizers)

Soil Video

http://app.discoveryeducation.com/search?Ntt=soil#selItemsPerPage=20&intCurrentPage=1&No=20&N=0&Ne=&Ntt=soil&Ns=&Nr=&browseFilter=&indexVersion=&Ntk=

Warm Up 4.10 & 4.11

How is the Rock Cycle an ever changing cycle? Be specific and give details.

Vocabulary - Boundaries

Convergent Boundary: a plate boundary where two plates are moving toward each other

Divergent Boundary: a boundary where two plates are moving away from each other

Transform Boundary: A boundary where two plates are moving sideways along each other’s edge.

Vocabulary - Zones

Subduction Zones: an area where the edge of one plate moves under another plate at a convergent boundary

Buckling Zone: an area where plates push against each other making a large fold

Rift Zone: a valley that is caused as two continental plates diverge

Procedure

Page 223-234 and fill out the chart on the different types of plate boundaries.

You will have 25 minutes to work on this worksheet then we will go over it.

Group work

You will be notified who your group members are going to be and what topic your group will be working on. You will have 15 minutes to brainstorm with your group members about your plan for working on the project when we return from spring break.

You will have the opportunity to look at the grading rubric to understand what is expected of you.

Have a good Spring Break!!!

April 21st/22nd

Sit in a block of tables with your group members. Get out your project sheets and begin working on your project. All supplies are at the front of the room.

Warm Up 4.23 & 4.24

How do you think the convection current shapes our own region in North Carolina? What are some examples?

Presentations

You will have 5 minutes to meet with your group before presentations begin.

Open Book Quiz

You will work on an open book quiz covering chapters 5 & 6 in our Earth book. Answer the questions on a SEPARATE sheet of paper.

Warm Up 4.24 & 4.28

What are some of the negatives about living in California? Be specific about geologic activity.

Open Book Quiz

Finish the open book quiz from last class. When everyone is finished, students will exchange quizzes and go over the quiz. Students will grade the quiz.

Make Up Date

If you have missed a quiz or assignment you will now have the opportunity to make up these assignments.

The rest of the class will watch a video on the San Andreas Fault and fill out the listening guide.

Quietly sit down and get a pen or pencil. I will hand back your quiz papers so you can start to finish them.

When I see you are working hard I will dismiss you to go to your locker and restrooms.