Kafli 3 skilgreiningar

Quiz
•
Science
•
12th Grade
•
Medium
Þórhallur Halldórsson
Used 4+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fastastjarna (sól) ásamt reikistjörnum, tunglum, smástirnum og halastjörnum kallast?
sólkerfi
vetrarbraut
stjörnumerki
Enginn kostur er réttur
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dimmir/kaldir hnettir sem snuast um sjálfa sig og eru á sporbaug umhverfis sólir (sjást vegna endurvarps frá sólu). Þessi skilgreining á við um?
Reikistjörnur
Svarthol
Kulnaðar sólir
Nifteindastjörnur
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hvað af eftirfarandi á best við um þessa skilgreiningu?
"Dimmid/kaldir hnettir sem eru á sporbaug um reikistjörnur (sjást vegna endurvarps)
Tungl
Reikistjörnur
Svarthol
Sólir
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Lýsandi stjarna (sól) sem sendir frá sér orku (geislun). Hitinn (orka) verður til við kjarnasamruna sem geislar út frá stjörnunni
Fastastjarna
Reikistjarna
Tungl
Svarhol
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Þyrping fastastjarna og geimskýja, sem snýst um sjálfa sig
Vetrarbraut
Halastjarna
Tungl
Enginn kostur er réttur
6.
DRAG AND DROP QUESTION
1 min • 4 pts
Ljósið fer með (a) km hraða á (b) . Það þýðir að á einu ári fer ljósið (c) og kallst sú vegalengd eitt (d)
7.
DRAG AND DROP QUESTION
1 min • 5 pts
Á milli Mars og (a) er (b) . Þar svífa um fjöldi (c) . Á þessum stað í (d) hefur ekki náðst að myndast (e) sem hefði geta degið þá til sín
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