rocks and minerals
True of false:
Minerals are made out of rocks
False
What is the most important cause of erosion?
Water
The outside layer of the earth is called _______.
Crust
What are fault lines?
fracture or zone of fractures between two blocks of rock
Silence
Which physical property is used to identify a mineral based on its resistance to being scratched.
Hardness
How does abrasion change the shape of rocks?
Causing them to bump against one another and changing their shapes.
The huge pieces of earth’s crust are called __________.
Plates
What is continental drift?
The theory that the continents used to be all together, but drifted apart.
WHO DOES SALMA SENBLI LIKE?
R..
Which property is indicated by the color of the powder each leaves on a ceramic tile?
Streak.
Mechanical weathering breaks rocks down into smaller pieces without changing their composition.
Volcanoes and earthquakes are most likely to form along ______?
Plate boundaries
What happens to boundaries that drift apart
They diverge
I’m always hungry and will die if not fed, but whatever I touch will soon turn red?
A fire
Rocks are classified as sedimentary, metamorphic, or igneous on the basis of the ____________.
Way the rocks were formed
What causes acid rain?
A chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air.
Why are earthquakes and volcanoes difficult to predict?
Lack of any clear pattern.
What causes continental drift
Sea-floor spreading
What breaks yet never falls, and what falls yet never breaks?
Day, and night
Sandstone is an example of which of the following rock?
a) metamorphic rock
b)sedimentary rock
c) igneous rock
d) none of the above
Sandstone
How is weathering different from erosion?
Degrades the rocks without displacing them.
How do volcanoes affect the atmosphere and climate?
Volcanic gases like sulfur dioxide can cause global cooling
Main evidence of continental drift
Fossils
You see a boat filled with people. It has not sunk, but when you look, again you don’t see a single person on the boat. Why?
All the people were married.