1. Which of the following is the correct definition of minerals?
A) A naturally occurring, inorganic solid that has a crystal shape and definite chemical composition.
B) A naturally occurring, inorganic solid that forms through crystallization of melted materials.
C) A naturally occurring, organic solid that forms through crystallization of materials dissolved in water.
D) A naturally occurring, organic sold that has a crystal shape and a definite chemical composition. ***
2. Which of the following is not a method by which minerals form?
A) crystallization
B) decrystallization**
C) water evaporation from a solution
D) cooling of magma or lava.
3. Mid-ocean ridges normally form where tectonic plates are
A) converging
B) diverging***
C) stationary
D) sliding past each other.
4. Which of these statements best describes the relationship difference between minerals and rocks?
A) Most minerals are made of rocks.
B) most rocks are made of minerals.***
C) rocks are solid, but minerals are not.
D) Rocks are found on the earth's surface, but minerals are not.
5. What evidence from the sea floor shows that tectonic plates move?
A) the sea floor is the youngest near a mid-ocean ridge and older farther away.***
B) the sea floor is much older than the continents.
C) Mid-ocean ridges from the longest range of mountains on earth.
D) the sea floor is thinner than the continental crust.
6. What happens immediately before a volcano erupts?
A) Magma collects in the mantle.
B) Lava hardens to form volcanic rock.
C) Expanding gases push magma through the pipe***.
D) The temperature in the magma chamber decreases.
7. To locate the epicenter of an earthquake, a seismologist must determine all of the following except
A) the difference between arrival times of P and S waves.***
B) seismographic data from the seismograph locations.
C) the distance from the epicenter to at least three different seismograph locations.
D) the intensity of the earthquake.
8. How does subduction change on the ocean floor?
A) Subduction causes magma to accumulate on the ocean floor.
B) Subduction causes oceanic crust to break into pieces.
C) subduction causes the ocean floor to sink into deep-ocean trenches.***
D) Subduction causes metamorphic rocks to form.
Am I correct? Thank you!
1.) A
2.) B
3.) B
4.) B
5.) A
6.) C
7.) A
8.) C
9.) A
10.) C
11.) C
12.) C
13.) D
14.) D
15.) D
16.) C
100% if u go to connections.
answers are
a
b
b
b
a
c
a
c
b
c
c
c
d
d
d
c.
100% if u go to connections.
@cutie thats kinda creepy
thanks all!!!!!!!!!!!!!
im tkaing the test...sooo...wish me best luck! i guess... and if any one has instagram add me @oreo_kitty_monster