Friday, 19 August 2016

Post Quizzes: What's the difference between a meteor and a meteorite?

Test your knowledge of U.S. national parks; (August 13, 2016 edition); Test your Rio 2016 Olympics knowledge;
 
Post Quizzes
 
 
What's the difference between a meteor and a meteorite?
1
Gian Ehrenzeller/European Pressphoto Agency
True or false: Shooting stars appear when the Earth whizzes past nearby stars, causing them to flash across the sky like fireballs.
True False
2
Alastair Grant/AP
Meteor showers such as the Perseids occur when the Earth passes through the orbit of a comet, where ice, dust and rock extend for thousands of miles in a long trail of debris. But what is a comet, anyway?
A tiny planet that has gotten loose from its orbit A very large meteor
A small star that orbits the sun An asteroid-like object covered with ice and gas
3
Vassil Donev/European Press Association
True or false: A "meteor" is just the flash of light you see when you watch a meteor shower; it's not actually the name for the flashing object itself.
True False
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Test your knowledge of U.S. national parks
1
Which national park is the site of the largest volcanic eruption of the 20th century? 
Katmai Lassen Volcanic
Hawaii Volcanoes Haleakalā
2
Which park has the biggest ice field that is contained totally within the United States? 
Kobuk Valley Lassen Volcanic
Kenai Fjords Voyageurs
3
This park hosts the the second-largest tree in the world. President Calvin Coolidge named it the Nation’s Christmas Tree. 
Gates of the Arctic Redwood
Kings Canyon Joshua Tree
(August 13, 2016 edition)
1
(Mario Anzuoni/Reuters)
In a ruling on medical marijuana, the federal government:
declined to weigh in on the decades-old policy debate. said its prohibition was no longer necessary.
said the drug's therapeutic value had not been proved. loosened restrictions on the drug for some patients.
2
(Michael Dalder/Reuters)
Olympic swimmer Michael Phelps said the purple bruises all over his body were from:
corking. circling.
cupping. clipping.
3
Court documents show that Bill Cosby is now facing accusations of sexual assault from how many women?
10. 25.
60. 100.
 
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Test your Rio 2016 Olympics knowledge
1
How many Olympic gold medals has Michael Phelps won during his career (as of Friday, Aug. 12)?
22 21
25 18
2
How old is Katie Ledecky?
17 19
21 25
3
Named for Simone Biles, what is the "Biles" in artistic gymnastics?
On floor: a double-flip with a half twist executed near the end of the second flip to face forward on landing On beam: A two and a half rotation with one leg extended
On uneven bars: while standing on the high bar, executing a back flip and re-grasping the bar. On floor: A one and a half twisting layout step out into a roundoff back handspring into an Arabian double-tuck.
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