WorksheetsStars
Total questions: 16
Worksheet time: 9mins
A large collections of hot gases held together by gravity
Star
Planet
Halo
Universe
A pair of starts bound by gravity
Double Star
Binary Star
Group
Dos Stars
A group of densely packed stars are called open clusters.
True
False
The way a star dies mostly depends on this.
Whether it gets sick or not
Age
Mass
Volume
A swollen and expanded low-mass star that has run out of hydrogen and will die soon.
RIP
Black dwarf
Red giant
Nebula
The ejection of gases from a low-mass star as it dies is called a planetary nebula.
False
True
The left-over core of a low-mass star but has not cooled down yet
White dwarf
Black dwarf
Dead dwarf
Blue dwarf
The left-over core of a low-mass star and has cooled down
Dwarf
Red dwarf
Black dwarf
Chill dwarf
The heaviest element that high-mass stars can create by fusion
Helium
Iron
Hydrogen
Gold
The heaviest element that low-mass stars can create by fusion is Iron
True
False
The possible fates of high-mass stars
Dwarf
Supernova
Black hole
Neutron star
The first step of star formation
(a)
What is the primary source of fuel for stars?
Gas
Hydrogen
Water
Fire
What forms when a star that has less than twenty times the mass of the sun explodes in a supernova?
Neutron star
Black hole
Supernova
Black plague
The leftover core of a dead high-mass star that was more than twenty times the size of the sun.
Black hole
Neutron star
Neutron
Supernova
Which of the following best describes fusion?
the tearing apart of hydrogen atoms to form heavier elements
the smashing together of hydrogen atoms to form heavier elements
the tearing apart of hydrogen atoms to form lighter elements
the smashing together of hydrogen atoms to form lighter elements
