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WorksheetsIGCSE U11 Space
Total questions: 18
Worksheet time: 9mins
Name
Class
Date
1.
What term describes the theoretical model explaining the origin of the universe from a dense and hot initial state approximately 13.8 billion years ago?
a)
a) Dark Energy
b)
b) Big Bang Theory
c)
c) Main Sequence Star
d)
d) Nebula
2.
What is the name for the vast collection of stars, planets, interstellar gas, and dust bound together by gravity, including the Solar System?
a)
a) Milky Way Galaxy
b)
b) Nebula
c)
c) Dark Mass
d)
d) Artificial Satellites
3.
Which type of celestial body orbits a planet, either naturally occurring or man-made?
a)
a) Circular Orbits
b)
b) Dark Energy
c)
c) Artificial Satellites
d)
d) Natural Satellites
4.
What phenomenon is believed to drive the accelerated expansion of the universe and constitutes about 68% of its total energy density?
a)
a) Protostar
b)
b) Dark Energy
c)
c) Main Sequence Star
d)
d) Nebula
5.
What is the term for the invisible matter in the universe that does not emit or interact with electromagnetic radiation, yet exerts gravitational effects on visible matter?
a)
a) Dark Mass
b)
b) Circular Orbits
c)
c) Dark Energy
d)
d) Natural Satellites
6.
What is the phase of a star's evolution when it is fusing hydrogen into helium in its core, representing the longest stage of its life cycle?
a)
a) Nebula
b)
b) Main Sequence Star
c)
c) Protostar
d)
d) Artificial Satellites
7.
What type of orbit follows a circular path around a central body, such as a planet or star?
a)
a) Artificial Satellites
b)
b) Circular Orbits
c)
c) Dark Energy
d)
d) Dark Mass
8.
Which term refers to the early stage in the formation of a star, characterized by the collapse of a gas and dust cloud under gravitational forces?
a)
a) Milky Way Galaxy
b)
b) Protostar
c)
c) Main Sequence Star
d)
d) Natural Satellites
9.
What term describes large clouds of gas and dust in space, where stars are born?
a)
a) Dark Energy
b)
b) Milky Way Galaxy
c)
c) Nebula
d)
d) Circular Orbits
10.
What objects are intentionally placed into orbit around Earth or other celestial bodies for various purposes such as communication, navigation, or scientific observation?
a)
a) Main Sequence Star
b)
b) Artificial Satellites
c)
c) Protostar
d)
d) Dark Mass
11.
What stage in the life cycle of a star follows the main sequence phase, where the star expands and cools, becoming larger and redder?
a)
a) Red Giant Star
b)
b) Supernova
c)
c) White Dwarf
d)
d) Sun
12.
What phenomenon refers to the shift of spectral lines of astronomical objects towards longer (redder) wavelengths, indicating that they are moving away from Earth?
a)
a) Red-Shift
b)
b) Star Life Cycle
c)
c) Big Bang
d)
d) Dark Matter
13.
Which term describes the series of stages that a star goes through during its existence, from its formation to its eventual demise?
a)
a) Red Giant Star
b)
b) Star Life Cycle
c)
c) Supernova
d)
d) Sun
14.
What is the name of the star at the center of our solar system, around which Earth and other planets orbit?
a)
a) Red-Shift
b)
b) Supernova
c)
c) Sun
d)
d) Big Bang
15.
What event occurs when a massive star collapses under its own gravity, resulting in an explosion that releases an immense amount of energy?
a)
a) Red Giant Star
b)
b) Red-Shift
c)
c) Supernova
d)
d) White Dwarf
16.
What is the name given to the small, dense remains of a low to medium mass star after it has exhausted most of its nuclear fuel?
a)
a) Red-Shift
b)
b) Supernova
c)
c) White Dwarf
d)
d) Big Bang
17.
What is the prevailing cosmological model describing the early development of the universe, from its initial singularity to its present state?
a)
a) Big Bang
b)
b) Star Life Cycle
c)
c) Dark Matter
d)
d) Red Giant Star
18.
What term describes the hypothetical form of matter that does not emit or interact with electromagnetic radiation, yet exerts gravitational effects on visible matter?
a)
a) Supernova
b)
b) Red Giant Star
c)
c) Dark Matter
d)
d) Sun
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