Astronomy Practice Test
Astronomy in the 8th Grade is a very interesting and very fun to take up. The quiz below covers all you studied about astronomy this year and will ensure you understand the concept you did not. Give it a shot and study hard for the exams. All the best!
- 1.
![The first part of this chart is a/an _____________. - ProProfs]( "The first part of this chart is a/an _____________.")
The first part of this chart is a/an _____________. - 2.The second part is a/an __________.
- 3.The third part is a/an __________.
- 4.The fourth part is a/an __________.
- 5.The fifth part is a/an __________.
- 6.The sixth part is a/an __________.
- 7.The seventh part is a/an __________.
- 8.The ninth part is a/an __________.
- 9.The tenth part is a/an __________.
- 10.The eleventh part is a/an __________.
- 11.Which side of the chart is for low mass stars?
- A.
The bottom
- B.
Both
- C.
Neither
- D.
The top
- 12.Which part of the chart is for high mass stars?
- A.
The bottom
- B.
Both
- C.
Niether
- D.
The top
- 13.As the protostar contracts, the core temperature reaches 10,000,000 degrees c, and ______ begins, causing it to become a star.
- 14.What color is a low to medium-mass star?
- A.
Blue
- B.
Yellow
- 15.What color is a high-mass star?
- A.
Blue
- B.
Yellow
- 16.What two things to fusion create?
- A.
Carbon and helium
- B.
Carbon and radient energy
- C.
Oxygen and helium
- D.
Radient energy and helium
- E.
Radient energy and oxygen
- 17.Stars expand because gravity balences out the energy production.
- A.
True
- B.
False, stars don't expand.
- C.
False, stars expand because gravity doesn't balence out the energy production.
- 18.What is a hot and dense core of matter remains?
- A.
Black dwarfs
- B.
Supernovas
- C.
White dwarfs
- D.
Stars
- 19.What is a supernova?
- A.
A stage of star causing the star to contract
- B.
An explosion that blows the star apart
- 20.What does a white dwarf become when it stops glowing?
- A.
A nova
- B.
A black dwarf
- C.
A nebula
- 21.Often, a white dwarf will not cool quietly, it will have repeated explosions called __________.
- 22.A high-mass star ends its cycle by becoming a...
- A.
Neutron star or black whole
- B.
A white dwarf or black dwarf
- C.
A black dwarf or a black hole
- D.
A neutron star or a white dwarf
- 23.Compare and contrast the two types of telescopes.
- 24.A radio telescope is a ______.
- 25.What type of telescope makes the best large telescopes?
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