Match the layer with its correct description. 1. inner core Very dense liquid of iron and sulfur about 2,250 k?

[christos]

2. Starting from the center of the earth, number its layers in the correct order.
A. crust (lithosphere)
B. outer core
C. lower mantle
D. inner core
E. upper mantle (asthenosphere)

#3. For each boundary, choose the correct resulting formation or primary activity.
1. convergent ocean ridges and rift valleys
2. divergent ocean trenches and mountains
3. transform tremors and earthquakes

#4. The four main spheres of Earth are the _____.
A.cryosphere, hydrosphere, biosphere, and atmosphere
B.atmosphere, hydrosphere, anthrosphere, and atmosphere
C.astrosphere, hydrosphere, lithosphere, and biosphere
D.atmosphere, hydrosphere, lithosphere, and biosphere

#5. Choose the pieces of evidence that supported the existence of Pangaea and continental drift theory.
A.Fossilized plants and animals of the same species found on separate continents.
B.Geological features, such as mountain ranges, that align on matching coasts of different C.continents.
D.Island arc ranges are still connected under the Atlantic Ocean.
Antarctica's glacial features are similar to the Arctic's.

#6. The earth's interior heat and pressure drive a process of heat transfer in the mantle called _____.
A.evaporation
B.convection
C.perspiration
D.condensation

#7. The lithosphere floats on the asthenosphere like glass on clay. When the clay moves, the glass moves. The movement of the lithosphere is _____.
A.seafloor spreading
B.plate tectonics
C.volcanic activity
D.earthquakes

#8. In the hydrologic cycle, after water precipitates to the surface, it can return to the atmosphere by processes of _____.
A.evaporation and condensation
B.evaporation and transpiration
C.photosynthesis and evaporation
D.nitrogen fixation and denitrification

#9. In the rock cycle, rocks can change into three different forms. These are _____.
A.igneous, cemented, and sedimentary
B.granite, sedimentary, and metamorphic
C.igneous, sedimentary, and metamorphic
D.igneous, sedimentary, and limestone

#10. During the rock cycle, rocks get broken apart by weathering, carried along by erosion, and eventually deposited in a body of water. What happens next?
A.Compaction and cementation into sedimentary rock, then heat and pressure into metamorphic rock.
B.Heat and pressure create sedimentary rock, then compaction and cementation into metamorphic rock.
C.Heat and pressure into metamorphic rock, then uplift of the rock starts the cycle over again.
D.Compaction and cementation into sedimentary rock, then uplift into metamorphic rock.

#11. Carbon is released to the atmosphere by _____.
A.respiration and burning of fossil fuels and wood
B.burning of fossil fuels and photosynthesis
C.respiration and fixation
D.respiration and photosynthesis

#12. Which of the following are processes of nitrogen and ammonia conversion that make nitrogen absorbable by plants?
A.nitrogen fixation, assimilation, and ammonification
B.assimilation, ammonification, and nitrification
C.nitrogen fixation, ammonification, and nitrification
D.nitrogen fixation, ammonification, and denitrification

#13. In the nitrogen cycle, once a consumer gains nitrogen nutrients from animals or plants, it recycles these nutrients back to the earth by _____.
A.releasing waste and decomposition
B.respiration and assimilation
C.assimilation and decomposition
D.respiration and photosynthesis

#14. Mr. Goldsmith suggested that animals must capture energy from their environment. An example of this would be _____.
A.a rabbit eating grass
B.a lion running
C.mice sleeping
D.a flying squirrel landing on a branch

#15. The _____ law of thermodynamics states that energy can't be created or destroyed. Two natural sources of energy on Earth are the _____.
A.First, Sun and core of Earth
B.Second, Sun and rock
C.Second, Sun and biosphere
D.Third, core of Earth and hydrosphere

#16. Approximately how much energy is transferred from one step in a food chain to the next?
A.90%
B.1%
C.0.1%
B.10%

#17. The atmosphere provides the biosphere with necessary gases to live and breathe. This is an example of how Earth's spheres are _____ .
A. interdependent
B. independent
C. co-dependent

#18. Plants absorb water from the soil to live and grow. This is an example of ______ of the biosphere, hydrosphere, and lithosphere.
A. sphere cycles
B. sphere interaction
C. sphere circulation
D. sphere isolation

#19. In the phosphorus cycle, phosphorus can recycle through waste products, decomposition, and _______ of terrestrial and aquatic ecosystems.
A. assimilation
B. the atmosphere
C. food chains

#20. _______ found evidence that the continents were joined together at one time.
A. Harry Hess
B. Issac Newton
C. Alfred Wegener
D. Albert Einstein

#21. Energy is the ability to do ______ . The study of energy and its changing forms is called ____ .
A. anything
B. work
C. respiration
A. transformation
B. heat transfer
C. thermodyn