What's the difference between lava and scoria?

Lava

Definition:

(n.) The melted rock ejected by a volcano from its top or fissured sides. It flows out in streams sometimes miles in length. It also issues from fissures in the earth's surface, and forms beds covering many square miles, as in the Northwestern United States.

Example Sentences:

(1) Compare her with Megan Draper, who is in a minidress too, but one that is several inches shorter and boasts the swirling lava-lamp prints that may have been seen in Vogue at the time.
(2) A 2.6-mile trail links two of the biggest, most accessible lava tubes, the lower and upper tubes.
(3) Even by Congolese standards, Goma has endured much in its history , from mass looting by the army to the arrival of a million Rwandan Hutu refugees, years of cross-border wars and, in 2002, a volcanic eruption that poured a tide of lava through its heart.
(4) As the heat drained from the city’s black streets, hewn out of lava from nearby Mount Etna , the stream of new arrivals kept coming.
(5) On 1 February, 17 died when Mount Sinabung in North Sumatra province spewed lava and gas.
(6) Half of Goma was said to be on fire - blazes which were started when the lava came in contact with gasoline stored in plastic containers in buildings and garages.
(7) Adult female and juvenile Mexican free-tailed bats (Tadarida brasiliensis mexicana) were collected bimonthly at Lava Cave, New Mexico from May through September.
(8) Jesse Lava, campaign director for Beyond Bars , a prison reform advocacy group, puts it this way: Prison doesn't cure addiction.
(9) Most tourists satisfy themselves with a quick drive around the crater rim, stopping for photos at the viewing points, but if you really want to smell the sulphur, feel the heat of the lava and hear the hissing of the steam vents, a bike tour is perfect.
(10) The investigation started as an inquiry into a money-laundering operation at a car wash, and has retained the name Lava Jato even as it mushrooms to encompass other illegal activities.
(11) Updated at 8.09pm GMT 8.06pm GMT Falcons 20 - Seahawks 7, 2:20 3rd quarter Gonzalez is a hill of molten lava - get off him!
(12) As the lava cooled and contracted, it split along joints into columns, most of which are pentagonal or hexagonal, with a few three, four, and seven-sided columns scattered throughout.
(13) A consideration of the island as a source of 222Rn must take into account the relatively low average flux density associated with the lava fields and accompanying thin soils.
(14) Till last week the lava flow was 10-mile long and covered about eight square miles.
(15) He said lava was still flowing into Goma (population around 400,000) and had "cut the town in half", burning a number of wooden houses.
(16) The arterial and venous segments of SVAs and LAVAs and an equivalent length of normal vessel were harvested at 48 hours (n = 16, 16, 16), 2 weeks (n = 12, 12, 12), and 4 weeks (n = 12, 12, 12).
(17) Fans of the film series can experience classic scenes at a new interactive exhibition at the London wax museum after teams of artists created models of Anakin Skywalker amid the lava of Mustafar and Han Solo in the Millennium Falcon alongside his Wookiee co-pilot Chewbacca.
(18) The results presented in this paper do not support the hypothesis of Nardelli, Amaldi & Lava-Sanchez that the number of ribosomal cistrons in various amphibians can always be expressed as a power of 2.
(19) Judge Sergio Moro – who has overseen the Lava Jato (Car Wash) investigation into bribery and kickbacks at Petrobras and other major corporations – must now assess allegations that the Workers’ party figurehead accepted 3.7m reais ($1.1m) in bribes.
(20) The bursting strength of suture- and laser-assisted vascular anastomosis (LAVA) was assessed using a standard rat femoral artery model.