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Transcript
Social Studies
Lesson 1 Earth’s Landforms
Do Now


Take all the papers out of your red
folder.
Take them home.
Write a paragraph using the
words below. You may not use
your book.
landforms
plate tectonics
continental drift
fault
weathering
erosion
floodplain
deposition
delta
word splash
A floodplain is plain that has been
flooded. A landform is land that is in a
different form. A delta is a narrow
stream. Erosion is when a river slower
wears down a landform.
Essential Question

How do forces of the Earth cause
geographic changes?
Assignment: Define the
vocabulary for homework.

..\..\Social Studies\Chapter 1\Chapter
1lfs\Chapter 1 Lesson 1\graphic
organizer vocab.doc
How do forces of the earth cause geographic
changes?


Turn to page 20-23 in your textbook.
..\..\..\Social Studies\Chapter
1\continents adrift.asx
Summarization Activity


Write 5 facts (sentences) from the
video about forces that change the
Earth on the note card.
Collecting note card at 12:16 for a
grade.
Do Now


Add to your do now from yesterday.
Write a paragraph using the words below.
landforms
plate tectonics
continental drift
fault
weathering
erosion
floodplain
deposition
delta
A. Plate Tectonics
The theory that earth’s surface is divided into several
1. Layers
ofslow-moving
the Earth plates or pieces.
major,
a.
Crust
b.
Mantle
c.
Outer Core
d.
Inner Core
2. Pangaea
a.
The name given to Earth’s landmasses when it
formed one huge supercontinent.
3. Continental Drift Theory
a.
Forces within earth caused Pangaea to break apart
into continental plates and drift apart.
4. Mountain formation
a.
tectonic plates push together
b.
two plates collide and one moves up over the other
B. Earthquakes
1.
2.
Plates shake causing an earthquake
A fault is a break in Earth’s crust
where movement occurs.
C. Volcanoes
1.
2.
3.
Plates push against each other
creating cracks in the crust onto
Earth’s surface.
Heat within the mantle causes rock in
the lower plate to melt. This molten
rock is magma.
Lava is the name for magma that has
escaped onto the surface.
Do Now
Read page 23-24 Shaping Earth’s Surface
silently.
D. Weathering
The process of breaking up rocks into smaller pieces called sediments.


..\..\..\Social Studies\Chapter 1\Chapter
1lfs\Chapter 1 Lesson 1\Weathering
and Erosion pictures pp.ppt
..\..\..\Social Studies\Chapter
1\Weathering_and_Erosion.asf
D. Weathering
The process of breaking up rocks into smaller pieces called
sediments.
1.
2.
3.
4.
5.
Water
6. Gravity
Wind
7. Plants
Temperature
Erosion- process of moving sediments.
Deposition- process of dropping
sediments in a new location
Humans

F:\Social Studies\Chapter 1\Humans
and earth.asf
E. Humans
1.
2.
3.
4.
5.
Build farms and cities (construction)
reshape waterways
create new waterways (lakes etc)
Build dams
drain water and direct water to areas
of need. (irrigation systems)
Do Now

Review your notes.
Answer the Essential Question
How do forces of the earth cause
geographic changes? You may use your notes
and books.
Ticket Out the Door


Name as many of the forces of the
Earth as you can. There are 5.
Name three forces of the Earth that
cause geographic changes. Explain how
each force changes the earth.