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Copy of Landforms and Oceans- 5th Grade
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1.
Landforms and Oceans
unit one science- 5th grade
Photo by
VinothChandar
2.
Natural Processes
affect Earth's oceans and land in constructive and destructive ways
Photo by
blmiers2
3.
Constructive Forces
processes that create landforms
Photo by
hash74
4.
Deposition
dropping of sediments by water, wind, or ice
Photo by
ecstaticist
5.
Products of Deposition
sand dunes
deltas
shells on the beach
Photo by
<3 Luvs :3
6.
Destructive Forces
processes that destroy landforms
Photo by
Giant Ginkgo
7.
Weathering
breaks down rocks at or near Earth's surface
can be physical or chemical
water, wind, ice, and temperature changes aid weathering
plants cause weathering when roots break apart rock
Photo by
bumeister1
8.
Erosion
movement of sediments and soil by wind, water, or ice
Photo by
Sprengben [why not get a friend]
9.
Earthquakes
vibrations on Earth's surface
caused by sudden movement in Earth
often along a fault
cause little or lots of damage
can cause landslides or tsunamis
Photo by
waterdotorg
10.
Both
some processes are both constructive and destructive
landslides
volcanic eruptions
floods
Photo by
Manoj Kengudelu
11.
Landslides
mass movement of land due to gravity
can cause building to fall and gas lines to break
can occur on the continental slope in the ocean
Photo by
Orange County Archives
12.
Volcanic Eruptions
can change Earth's surface and weather patterns
lava and ash can destroy forests and bury fields
eruptions can build up mountains
can occur under the oceans and creat seamounts
Photo by
NeilsPhotography
13.
Floods
when large amounts of water cover land that is usually dry
floods cause rapid erosion
floods leave behind new sediment and enrich the soil
Photo by
max_wedge
14.
Ocean Water Movement
waves, currents, & tides
Photo by
Pilottage
15.
Waves
up and down movement of surface water
most ocean waves are caused by wind
waves move energy
a wave changes shape when it reaches the shore
Photo by
SergioTudela
16.
Currents
flowing streams of water moving continually through the ocean
some flow at the ocean's surface ;some are found deeper in the ocean
currents flow along curved paths
currents move warm and cold water to different reigons
Photo by
NASA Goddard Photo and Video
17.
Surface Currents
caused by the movement of Earth
caused by the force and direction of wind
warm surface currents travel from the tropics to polar regions
cold surface currents travel from polar regions to the tropics
Photo by
NASA Goddard Photo and Video
18.
Tides
rise and fall of the level of ocean water
caused by the moon's gravity on Earth
tides rise and fall about twice a day
at low tide the water level is at its lowest point
at high tide the water level is at its highest point
Photo by
TeryKats
19.
Ocean Shore Zone
the area where ocean meets land
Photo by
GreenArcher04
20.
Beaches
The shoreline, or coast, is the area where the land meets the ocean.
Storms can cause wave action that removes sand from beaches.
Shorelines are always changing because of wind and water.
Wavs, currents, and tides affect beaches.
Photo by
Edgar Barany
21.
Barrier Islands
islands with sandy beaches are called barrier islands
naturally occurring and function to protect the mainland
they change shape as waves deposit sand on the beaches
currents can move sand from one end to the other
Photo by
Sarah_Ackerman
22.
Estuaries
the area where a river meets the ocean is an estuary
they have a mixture of freshwater and saltwater
waves can deposit sand in estuaries
high tides bring in sediment and sea life
Photo by
USFWS Pacific
23.
Inlets
water filled spaces between barrier islands
the amount of water in an inlet will change with tids
ocean currents and storms can change the shape of an inlet opening
Photo by
kuyman
24.
Ocean Floor
Geological Features
Photo by
kqedquest
25.
Continental Shelf
the part of the continent located under the water
the edges of the continents slope down from the shore into the ocean
at the beach, you're on the continental shelf
Photo by
NASA Goddard Photo and Video
26.
Continental Slope
steep slope where the continental shelf drops to the ocean floor
depth of the ocean water increases greatly here
Photo by
NOAA Photo Library
27.
Trenches
steep-sided canyons and deep, narrow valleys in the bottom of the ocean
trenches are the deepest part of the ocean basin
they are deeper than any valley found on land
Photo by
Mudkipz_KGM
28.
Mid-Ocean Ridges
divide the ocean floor into two parts
a mountain range on the ocean floor
under water volcanic mountains
Photo by
thomasina
29.
Rift Zone
narrow trench in the center of the highest part of the mid-ocean ridges
volcanic activity that creates new ridges occurs at the rift zone
Photo by
paul bica
30.
Human Activity
affects Earth's land and oceans
Photo by
katerha
31.
Pollution
anything that harms the natural environment
human activity causes pollution
harm to Earth's air, water, or land
Photo by
Nevalenx
32.
Conservation
the wise use of natural resources
reduce- use less of something
reuse- use something over again
recycle- make something new from an old product
Photo by
kingdesmond1337
33.
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Photo by
Andy Magee
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