Show:
Volcanos
Earth Quakes
Igneous Rocks
Weathering Rocks
Earth
100
What are 'Vents' on a volcano?
An opening through which molten rock flows onto earths surface
100
What can earth quakes lead to?
1.Tsunami 2.Volcanos 3.Shapeing the tectonic plates
100
Where do Intrusive rocks form?
Inside earth's surface
100
What is 'weathering'?
Breaking down of earths material
100
What made the water blue instead of green?
The oxygen meteor that impacted earth
200
Where do they come from?
Divergent or Covergent boundries
200
What kind of siemic waves there?
P-Wave (first) S-Wave (The Second) Surface waves last
200
What kind of rock can you find in the earth's surface?
A Diamond
200
What does mechanical weathering do to rocks?
The rock's size and shape
200
How did rocks form on earth?
Magma the flooded earth
300
What is the diffrence between Lava from Magma?
Lava is still in the volcano, not yet exposed to through the vent of the volcano
300
What is the Richter Scale used for?
To measure the energy released from an earth quake
300
What are the classification for Magma?Based on Silica
Basaltic (50% Silica) Audestic (69% Silica) Rhyolitic (70% Silica)
300
What is Erosion?
Process that moves weather pieces of rock to new locations
300
How old is earth?
4.6 billion years old
400
What are the 4 types of volcanos?
1.Shield 2.Composite 3.Cinder 4.Dorment
400
How do people die from earth quakes?
Falling objects or flying glass
400
Name 3 characteristics that extrusive rocks
1.Cools on earths surface 2.Cools more quickly 3.More fined grained
400
How does Acid Rain form and occure?
Sulfer dioxide and nitrogen oxcide combine with mosture to fro acid sulferic and acid and nitric acid
400
What percentage of the earth made up of water?
70.8%
500
What are the 4 types of lava?
1.Pahoehoe 2.Aa 3.Blocky Lava 4.Pillow Lava
500
How many earth quakes happen in a year?
3 million happen a year
500
What is the classification of igneous rocks?
Felsic-granite, light colored, high silica, quartz & feldsper Mafic-gabbaro, dark colored, lower cilica in iron and magnisium
500
What is Checmical Weathering?
Changes the composition of a rock, tempatures can cause rocks to split
500
What did the life form start off as?
Bacteria!