yara ahmed abd elwahab galal
نتيجة الإختبار - Universe & Solar system Origin
اسم الطالب : yara ahmed abd elwahab galal
المدينة : 55
Thursday , 9 December 2021 - 08:16 PM5 من 5
السؤال - 1
The two gases which produced galaxies, stars and universe over millions of years are ..........
a. oxygen and helium.
b. oxygen and carbon dioxide.
c. hydrogen and helium.
d. hydrogen and carbon dioxide.
إجابة صحيحة
السؤال - 2
Within minutes after Big Bang, helium gas was formed by a percentage of………...
a. 75 %
b. 50 %
c. 25 %
d.100%
إجابة صحيحة
السؤال - 3
The Milky Way galaxy took its disc form after about .......... million years from the Big Bang.
a. 1000
b. 2000
c. 4000
d. 5000
إجابة صحيحة
السؤال - 4
12. From the oldest theories which is explained the evolution of the solar system is the .......... theory
a. the crossing star.
b. the nebula.
c. the Big Bang.
d. Modern
إجابة صحيحة
السؤال - 5
Laplace theory assumed that the gaseous rings separate from nebula after its cooling and freezing forming the ..........
a.Sun.
b.planets of the solar system.
c. gaseous ball.
d.universe.
إجابة صحيحة