Stars and Their Life Cycles
Physics ⇒ Earth and Space Physics
Stars and Their Life Cycles starts at 8 and continues till grade 12.
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See sample questions for grade 8
Describe the role of gravity in the formation of stars.
Describe what a protostar is.
Describe what happens to a star after it uses up all its hydrogen fuel.
Explain why massive stars have shorter lifespans than smaller stars.
Explain why stars appear to twinkle when viewed from Earth.
What happens during a supernova explosion?
What is a star mainly made of?
What is a supernova?
Which of the following best describes a black hole?
(1) A region in space with gravity so strong that nothing can escape
(2) A very bright and hot star
(3) A cloud of gas and dust
(4) A small, cool star
Which of the following best describes a neutron star?
(1) A star made entirely of neutrons, very dense and small
(2) A star made of hydrogen and helium
(3) A star that is very large and cool
(4) A star that is about to become a red giant
Which of the following is NOT a possible end for a star?
(1) White dwarf
(2) Neutron star
(3) Black hole
(4) Blue giant
Which of the following is NOT a stage in the life cycle of a star?
(1) Nebula
(2) Main Sequence
(3) Red Giant
(4) Comet
A ________ is a large cloud of gas and dust where stars are born.
Fill in the blank: A ________ is a small, dense, hot star that is the leftover core of a medium-sized star.
Fill in the blank: A ________ is the remnant core left after a supernova explosion of a massive star.
Fill in the blank: The color of a star is related to its ________.
True or False: A black hole can be formed from the collapse of a massive star.
True or False: A nebula can form new stars.
True or False: A white dwarf is larger than the Sun.
True or False: All stars are born in nebulae.
