Earth Structure By Cathy Pons
Answer the following questions:
- 1.When a force on rocks is great enough, they break, producing vibrations called
- A.
Earthquakes
- B.
Strains
- C.
Stresses
- 2.Most earthquakes happen______
- A.
At night
- B.
Along plate boundaries
- C.
In the inner core
- D.
All of the above answers
- 3.Scientists discovered changes in the earth's interior by studying______
- A.
Seismic waves
- B.
Only the crust of the earth
- C.
By traveling to the core of the earth
- 4.What is the force that squeezes rocks or plates together?
- A.
Tension
- B.
Compression
- C.
Shearing
- 5._____is the force that pulls rocks apart.
- A.
Tension
- B.
Compression
- C.
Shearing
- 6.________is the force that causes plates to move sideways past each other.
- A.
Tension
- B.
Compression
- C.
Shearing
- 7.Rocks that are produced when magma or lava cools and hardens is called______
- A.
Sedimentary
- B.
Igneous
- C.
Metamorphic
- 8.The word "metamorphic" means to_____
- A.
Change
- B.
Produce heat
- C.
Does not change
- 9.Which can occur in the rock cycle?
- A.
Sedimentary rock is the only rock found on earth
- B.
Igneous rock is eroded to form metamorphic rock
- C.
Metamorphic rock is melted to form sedimentary rock
- D.
None of the above answers are correct
- 10.The rock cycle shows each rock _________
- A.
As it was millions of years ago
- B.
As it was originally
- C.
On a continuing journey
- 11.What is the hottest, most dense part of the earth?
- A.
Outer core
- B.
Inner core
- C.
Mantle
- 12.What do the plates of the crust float on inside the earth?
- A.
Asthenosphere
- B.
Inner core
- C.
Gutenberg discontinuity
- 13.The movement of the outer core gives the earth______
- A.
Magnetism
- B.
Life
- C.
Color
- 14.The crust and upper mantle make up the
- A.
Cores
- B.
Lithosphere
- C.
Atmosphere
- 15.Name the scientist who first thought that all the continents were together at one time and coined the term Pangaea.
- A.
Alfred Wegener
- B.
Alfred Nobel
- C.
Alfred Jones
- 16.
What is the part of the earth colored yellow?- A.
Mantle
- B.
Crust
- C.
Inner core
- 17.The earth is approximately 4.5 million years old.
- A.
True
- B.
False
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