Something that has no end and lasts forever is ______.
eternal
What is the name of the park in which visitors can enjoy tapping on ringing rocks?
Ringing Rocks County Park in Pennsylvania.
What is the meaning of the bold word below as it is used in the text?
"Some of the rocks produce sounds too low for humans to hear." (paragraph 3)
a) to make
b) to cause
c) to grow
a) to make
"Some of the rocks make sounds too low for humans to hear."
What is diabase? (paragraph 3)
"a dark, igneous, or volcanic rock."
Which is the best main idea statement for the section titled "Ringing Rocks County Park, Pennsylvania?"
a) There are strange rocks in Pennsylvania that have been used in musical concerts.
b) There are entertaining rocks in a county park in Pennsylvania that ring when they are hit.
c) The ringing rocks in Pennsylvania still need more study, but they provide great entertainment.
b) There are entertaining rocks in a county park in Pennsylvania that ring when they are hit.
If something is _________, it is made up of living matter.
organic
Why are hikers in Eternal Flames Falls told to carry barbecue lighters?
They may need to relight the "eternal" flame.
What is the meaning of the bold word below as it is used in the text?
"The only problem was that no one had ever seen this happen - they had only seen the puzzling tracks." (paragraph 11)
a) pieced together
b) mysterious
c) interesting
b) mysterious
"The only problem was that no one had ever seen this happen - they had only seen the mysterious tracks."
How tall can the "eternal" flame grow when it is lit? (paragraph 6)
"The natural gas produces a flame up to 8 inches, (20 centimeters) tall."
Which is the best main idea statement for the section titled "Eternal Flame Falls, New York?"
a) Seeping from shale rocks, natural gas in New York has been burning on and off for a thousand years in a grotto beneath a waterfall.
b) When hikers pass through Eternal Falls, they should carry a barbecue lighter to light the gas if it goes out.
c) Shale is a type of sedimentary rock that produces natural gas.
a) Seeping from shale rocks, natural gas in New York has been burning on and off for a thousand years in a grotto beneath a waterfall.
If something is very interesting to you, it is _________.
intriguing
What is the legend surrounding the discovery of the Caverns of Sonora, Texas?
paragraph 8: "Legend says that a dog found the entrance of the caverns around 1900."
What is the meaning of the bold word below as it is used in the text?
"Water trickling through the cave walls over thousands of years had created some pretty amazing rock formations."
a) quickly flowing
b) heavily splashing
c) slowly dripping
c) slowly dripping
"Water slowly dripping through the cave walls over thousands of years had created some pretty amazing rock formations."
What kind of cave formation grows downward from the cave ceilings like icicles? (paragraph 10)
"Stalactites grow downward from ceilings like icicles."
Which is the best main idea statement for the section titled "Caverns of Sonora, Texas?"
a) In 1955, with the help of a dog, local explorers discovered passages in a cave that had sparkling crystals and strange shapes.
b) In the Caverns of Sonora, you can find stalagmites and stalactites. Helictites are a type of stalactite that form in branching shapes.
c) Water slowly dripping and depositing minerals over thousands of years have created beautiful and strange caverns in Sonora, Texas.
c) Water slowly dripping and depositing minerals over thousands of years have created beautiful and strange caverns in Sonora, Texas.
Use the correct vocabulary word in the sentence below.
A plastic pen is not _________.
organic
What dragged the rocks in Death Valley and caused them to leave tracks behind? (paragraph 13)
The rocks were trapped in melting sheets of ice.
When the wind pushed the sheets of ice, they slowly dragged the rocks and created the tracks.
What is the meaning of the bold word below as it is used in the text?
"Winter ice, freezing, and thawing, shifts rocks in parking lots and along lakeshores." (paragraph 15)
a) freezing a liquid to form a solid
b) melting a solid with high heat
c) warming a frozen solid to make it softer or more loose
c) warming a frozen solid to make it softer
"Winter ice, freezing, and warming, shifts rocks in parking lots and along lakeshores."
How did scientists record the movement of the rocks in Death Valley? (paragraph 12)
"They left time-lapse cameras in place to record movement."
Which is the best main idea statement for the section titled "Sailing Stones, Death Valley National Park, California?"
a) Death Valley National Park is a desert area in California that only gets rain, snow, and ice on very rare occasions.
b) Scientists used special equipment to discover how natural forces cause rocks to slowly move on across the dry playa in Death Valley National Park, California.
c) A mild wind pushes sheets of thawing ice, which drag the trapped rocks and create parallel tracks on the ground.
b) Scientists used special equipment to discover how natural forces cause rocks to slowly move on across the dry playa in Death Valley National Park, California.
Use the correct vocabulary word in the sentence below.
The scientist found the results of her experiment very _________.
intriguing
What are the 4 natural forces which affected the rocks in this text? (paragraph 15)
"Rocks, with the help of natural forces such as wind, water, freeze, and thaw..."
What is the meaning of the bold word below as it is used in the text?
"The gas forms from decaying organic matter and seeps out from the shale rocks." (paragraph 6)
a) leaks
b) dissolves
c) melts
a) leaks
"The gas forms from decaying organic matter and leaks out from the shale rocks."
What are the cave formations that grown in branching shapes called? (paragraph 10)
Which is the best main idea statement for the entire text "Weird and Wondrous Rocks?"
a) Weird and wondrous rocks can be found in special places around the U.S., but these mysterious rocks and the amazing forces that shape them can be found anywhere.
b) The Caverns in Sonora and the mysterious ringing rocks in Pennsylvania are more interesting than the Eternal Falls shale in New York and the sliding rocks of Death Valley, California.
c) If you like weird and wondrous rocks, you should definitely take trips to see intriguing examples found in Pennsylvania, New York, Texas, and California.
a) Weird and wondrous rocks can be found in special places around the U.S., but these mysterious rocks and the amazing forces that shape them can be found anywhere.