Hot Stuff
Magma is molten rock under the surface of the Earth. This is what molten rock is called when it is on the surface of the Earth.
What is lava?
This kind of rock forms when other rocks are eroded and the particles are dumped somewhere.
What is sedimentary rock?
When an earthquake happens under the ocean, the result can be this event.
What is a tsunami?
also accept “tidal wave.”
Diamonds that are useful, other than as gemstones.
What are industrial diamonds, used mostly for cutting and sanding?
The San Francisco 49ers football team name origin.
What is the Californian gold rush of 1849?
Iceland is called the “Land of Fire and Ice.” The "fire"originates from this.
What are volcanic eruptions?
This rock forms under the Earth’s surface from the effect of heat.
What is igneous rock?
A result of when the area drained by the Mississippi and Missouri Rivers gets a great deal of snow in the winter, and a lot of rain in the spring.
What is flooding?
Strongly colored gems, such as rubies and emeralds, used to be considered more valuable than diamonds. This invention in 1879 sparked an increase in the value of diamonds.
What is the electric light?
Gold has many uses in industry, but especially in electronics. This common device is an example.
What are cell phones?
True or false: Mount Saint Helens, a volcano located in the State of Washington, is considered an active volcano last erupting in 1980.
What is true?
(It is very young, geologically speaking, and is still exhibiting signs that it may be getting ready to erupt again.)
This kind of rock can form from all other kinds of rock when it is subjected to heat and pressure underground.
What is metamorphic rock, meaning “changed shape”?
Several countries located here (including Japan and Indonesia, and the west coast of the Americas) suffer from volcanoes and earthquakes.
What is the so-called Pacific Ring of Fire?
This gemstone is featured in The Wizard of OZ.
What is emerald, as in the Emerald City?
Underground mining, placer mining, panning, dissolving with cyanide solutions are a few examples of this.
How is gold is now mined?
About 2000 people were killed in Pompeii in the 79 AD eruption of Pompeii volcano, in Italy. This type of eruptive feature killed the most people.
What are Pyroclastic flows, or Nuee Ardantes, consisting of a rapidly moving, extremely hot mixture of volcanic ash, rock fragments, and gas that rushes down the side of a volcano.
Note “Lava” or “Magma” not acceptable, but a description that comes close to the above IS acceptable.
When rocks are heated and melted below the surface, they can flow to the surface and be turned into this other kind of rock.
What is volcanic rock?
“lava” is not acceptable
Dinosaurs, which flourished on the Earth until about 66 million years ago, are thought to have been wiped out by this event.
What is an asteroid impact in Caribbean Sea, near the Yucatan Peninsula?
The mineral Garnet is very hard and abrasive. It is commonly used in this industrial product.
What is sandpaper?
Other good answers could be accepted, if accurate
The result of gold being hammered very thin, much thinner than aluminum foil, and used for a coating on objects.
What is gold leaf?
When large amounts of water are mixed with a volcanic eruption, this sort of flow feature can be generated.
What is volcanic mudflow, also known as a Lahar?
Rocks that can be profitably mined.
What are ores?
In 1903, much of the town of Frank, Alberta was destroyed by this event, which happened with no warning on the east side of Turtle Mountain.
What is a rockslide?
Also accept landslide
Kimberlite pipes (a rare type of intrusive rock) is the primary source of this valuable gemstone.
What are Diamonds?
Gold has this physical advantage over almost all other metals.
What is non-corrodability?