wearing away Destructive

Comments

Transcription

wearing away Destructive
2nd 9 Weeks Science Review
Created and modified
1/3/2012
By: C. Horejsi
The glacier moves down the valley and
causes erosion and wearing away of
the rock and soil underneath the ice.
Destructive –
wearing away
Constructive –
build up of sand
Destructive –
wearing away
Destructive –
wearing away
Resources in Review
What are resources?
Resources are things people use.
Can you name some resources:
wind, water, soil, trees, animals, oil, fossil
fuels, solar energy, minerals, rocks, food,
electricity, plastic, and many other items.
The most abundant natural resource on
Earth
97%
is
NaCl
H20
Can you restate
this claim?
Renewable, Nonrenewable, or
Inexhaustible
Classify the following:
Fossil Fuels
Non-renewable resources –
it takes millions of years to make
Types of Fossil Fuels
Coal
Oil
Petroleum
Natural
Gas
EOPLE, PLANTS
NIMALS
ITROGEN
RINKING WATER
IR (ATMOSPHERE) OXYGEN – CARBON-DIOXIDE
OIL
Soil Types
Loam is a
mixture of Clay,
Silt, & Sand
Sedimentary
Layers
Silt-fine, rich ingredients, moved from some
other place
Sand-grainy, mixture
Clay- tiny
particles,
retains moisture
Potting Soil – Large particles
Sedimentary Rock Layers
Which layer is the oldest?
Earth’s Resources
S.H.E.L
Fossil Fuels
&
Minerals
S.O.W.
?
[Online Imagehttp://www.roseflowergarden.com/images/soil-a-Small.jpg Downloaded February 4, 2007.
A Sediment Display
Inexhaustible Resources:
UN
IND
CEAN
TIDES
eothermal heat
EOPLE, PLANTS
NIMALS
ITROGEN
RINKING WATER
IR (ATMOSPHERE) OXYGEN – CARBON-DIOXIDE
OIL
Fossil Fuels
Non-renewable resources – take millions of years to make.
Made from the remains of living organisms – such as plants and
animals.
Takes millions of years to make –
replaced in our life time.
cannot be
Types of Fossil Fuels
Coal
Oil
Petroleum
Natural
Gas
V
m
ountains
eather
From Water, Wind, & Ice
MAGNETS have
2 poles
Electric currents

Similar documents