Alfred Wegner is remembered for:

suggesting continents move over time

After WW2 what evidence became available whichsuggested that the sea floor was spreading?

Topography of the sea floor between Europe and North America

How is the age of the sea floor determined?

comparing magnetic anomaly patterns with magnetic time scale

Which of the following lists the correct orderof events in the formation of a rocky planet?

solar nebula, accretion, differentiation,cooling

Which statement correctly describes the oceancrust when compared with continental crust?

thinner, more dense and mafic in composition

Accretion is best described as:

a process of accumulation of small pieces into large pieces

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Earth and Environmental Science

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Preliminary Earth and Environmental Science quiz.

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Answers

1
Alfred Wegner is remembered for:
mapping magnetic reversals on the sea floor
developing absolute dating techniques
collecting fossils
suggesting continents move over time
2
After WW2 what evidence became available whichsuggested that the sea floor was spreading?
Fit of the continents on either side of the Atlantic Ocean
Finding similar fossils in India and Western Australia
Matching patterns of rocks on South America and Africa
Topography of the sea floor between Europe and North America
3
How is the age of the sea floor determined?
recording the amount of magnetite present in thelithosphere
using fossils in the igneous rocks of the oceancrust
comparing magnetic anomaly patterns with magnetic time scale
the speed of convection currents inthe asthenosphere
4
Which of the following lists the correct orderof events in the formation of a rocky planet?
cooling, solar nebula, accretion,differentiation
solar nebula, accretion, differentiation,cooling
accretion, cooling, differentiation, solarnebula
differentiation, solar nebula, accretion,cooling
5
The big bang is a theory. What is one piece of evidence which supports this theory?
age of the Earth
the presence of meteorites on the earth
continual creation of new matter
red shift of distant stars
6
Which type of tectonic boundary has the least amount of volcanic activity?
convergent boundary
a mid ocean ridge
transform boundary
divergent boundary
7
Which statement correctly describes the oceancrust when compared with continental crust?
thicker, less dense and felsic in composition
thicker, more dense and intermediate to felsicin composition
thinner, less dense and intermediate incomposition
thinner, more dense and mafic in composition
8
Which common pollutants can lead to explosive growth ofalgae in rivers?
Magnesium CFC’s
phosphorus and nitrates
potassium and nitrates
carbon dioxide and CFC’s
9
Accretion is best described as:
the name of an asteroid
the evolution of the solar system
how a star begins nuclear fussion
a process of accumulation of small pieces into large pieces
10
Big bang and steady state are both theories that explain the origin of
the sun
the solar system
the universe
the moon

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