As Earth's plates move apart at some boundaries, they collide at others, forming ___________.
a. mountains and volcanoes c. strike-slip faults.
b. ocean basins d. both a and b.
What is "Mountains and volcanoes"
100
Continental Drift occurs because of _____________.
a. seafloor spreading
b. Pangaea
c. magnetic reversal.
d. earthquakes.
What is "earthquakes".
100
Iron in rocks can actually flip because the Earth's ________ _______ has reversed itself in the past.
a. magnetic field
b. core
c. asthenosphere
d. gravity
What is "Magnetic Field"?
100
Name the three different types of rocks.
What is "sedimentary, metamorphic, igneous."
100
When we take a rock, scratch it on a white tile, and check out the color of the rock on the white tile, we are testing for the rock's ___________.
What is "streak"?
200
The youngest rocks in the ocean are located at the mid-ocean ________.
a. volcanoes
b. basins
c. trenches
d. ridges
What is "ridges".
200
The cycle where something rises when heated is called a _____________ current.
a. subduction
b. convergent
c. convection
d. conduction
What is "convection".
200
The lack of an explanation for continental drift prevented many scientists from believing a single supercontinent called ___________ once existed.
What is "Pangaea"?
200
The word "metamorphic" means ____________.
What is "change of form"?
200
When we are testing for a rock's shine, that property is called ___________.
What is "luster"?
300
The results of plate movements can be seen at _______ valleys and __________ boundaries.
What is "rift, plate"
300
Ocean plates are pushed into the mantle (liquid rock) in ____________ zones.
What is "subduction".
300
Where plates slide past each other, ____________ occur.
What is "earthquakes"?
300
Broken pieces of rock are deposited into piles and cemented together by other minerals. What is this type of rock?
What is "sedimentary"?
300
When we are scratching rocks against each other to see which rock gets scratched, that is testing for ___________
What is "hardness"?
400
The _____________ Mountains are forming where the Indian Plate (Indo-Australian) collides with the Eurasian Plate (in Asia).
a. Andes
b. Rocky Mountains
c. Himalayas
d. Appalachians
What is "the Himalayas".
400
Continents have moved slowly to their current locations. This is the theory of _______________ ________.
What is "continental drift?"
400
The places between plates moving together are called ____________ boundaries.
a. divergent
b. convergent
c. strike-slip
d. lithosphere
What is "convergent"?
400
The rock cycle _________________.
a. stopped millions of years ago
b. stops for a while and starts again
c. is happening all the time
d. just recently began
What is "happening all the time"?
400
When a rock breaks unevenly, that means that the rock has a property called ______________.
What is "fracture"?
500
The presence of the same ______ and _________ on two continents separated by an ocean supports the idea of continental drift.
What is "rocks" and "fossils"?
500
Plates move apart at ___________ boundaries.
a. convergent
b. transform
c. divergent
d. magnetic
What is "divergent"?
500
Seafloor spreading occurs because _______________.
What is "hot, less dense rock below the earth's crust is forced upward."
500
When rocks are formed inside volcanoes or formed from fire, they are called __________ rocks.
What is "igneous"?
500
Wh must diamonds be wrapped in special paper when shipped through the mail?
What is "the diamonds will scratch each other if they are not wrapped."