1. What color is a red giant star?
A)Yellow
B)Green
C)Blue
D)Red
2. What is the final stage of a sun-sized star?
A)White dwarf
B)Red dwarf
C)Neutron star
D)Black hole
3. What does a star expand into before becoming a white dwarf?
A)Red giant
B)Blue giant
C)Protostar
D)Supernova
4. Which of these is very hot and dense?
A)Nebula
B)Asteroid
C)White dwarf
D)Red giant
5. What is the primary fuel for a young star?
A)Carbon
B)Hydrogen
C)Oxygen
D)Iron
6. What force causes a star to collapse?
A)Gravity
B)Friction
C)Wind
D)Magnetism
7. What is the Sun's expected final state?
A)Supernova
B)Black hole
C)White dwarf
D)Quasar
8. Which stars are larger in physical size?
A)Neutron stars
B)White dwarfs
C)Red giants
D)Planets
9. What remains after a white dwarf cools down?
A)Black dwarf
B)Pulsar
C)Red giant
D)Supernova
10. Are red giants hotter than blue stars?
A)Only sometimes
B)No
C)Yes
D)Depends on size
11. Where does fusion happen in a star?
A)Atmosphere
B)Orbit
C)Core
D)Surface
12. What do stars shed during their death phase?
A)Solid rocks
B)Planetary nebula
C)Water vapor
D)Oxygen gas
13. What element do stars stop fusing at?
A)Iron
B)Gold
C)Hydrogen
D)Helium
14. Which type of star is the Earth's Sun?
A)Red giant
B)Main sequence
C)Supergiant
D)White dwarf
15. What is the main component of a white dwarf?
A)Liquid water
B)Frozen gas
C)Degenerate matter
D)Molten rock
16. How many stars are in the Milky Way?
A)Only one
B)Hundreds of billions
C)One million
D)Ten thousand
17. What tool helps astronomers catalog stars?
A)Microscope
B)Compass
C)Thermometer
D)Telescope
18. What do we call a list of astronomical objects?
A)Diary
B)Recipe
C)Menu
D)Catalog
19. Which unit measures distance in space?
A)Light-year
B)Kilogram
C)Decibel
D)Celsius
20. Why is data important in astronomy?
A)To write books
B)To study patterns
C)To count planets
D)To name stars
21. What is a major challenge of big data?
A)Color
B)Temperature
C)Weight
D)Storage
22. What do computers help astronomers do?
A)Fly rockets
B)Build lenses
C)Process images
D)Cook food
23. What is the sky's appearance called?
A)Flat map
B)Earth crust
C)Celestial sphere
D)Ocean floor
24. Are star catalogs digital today?
A)No
B)Never
C)Yes
D)Only sometimes
25. What do we track about stars?
A)Position
B)Taste
C)Texture
D)Voice
26. What is a 'survey' in astronomy?
A)Building a base
B)Sending mail
C)Scanning the sky
D)Asking people
27. Do we know the location of all stars?
A)Yes
B)Only in labs
C)Only near Earth
D)No
28. What do light curves measure?
A)Distance to Earth
B)Star weight
C)Brightness over time
D)Star size
29. What is a pixel in an image?
A)A telescope
B)A star
C)A planet
D)A tiny dot
30. Who uses star catalogs?
A)Artists
B)Chefs
C)Farmers
D)Scientists
31. Where is the asteroid belt located?
A)Behind Pluto
B)Between Mars and Jupiter
C)Near the Moon
D)Around the Sun
32. What are asteroids primarily made of?
A)Rock and metal
B)Gas and ice
C)Wood and plastic
D)Liquid water
33. Are asteroids considered planets?
A)Yes
B)Sometimes
C)Maybe
D)No
34. What is a large asteroid called?
A)Dwarf planet
B)Meteor
C)Moon
D)Comet
35. What happens if an asteroid hits Earth?
A)Flooding
B)Freezing
C)Explosion
D)Impact
36. Do asteroids orbit the Sun?
A)No
B)Only at night
C)Yes
D)Only in summer
37. What is a 'near-Earth' object?
A)A plane
B)A building
C)A cloud
D)Asteroid close to Earth
38. Are asteroids shaped like balls?
A)Always
B)No
C)Yes
D)Sometimes
39. What is the biggest asteroid known?
A)Mars
B)Venus
C)Moon
D)Ceres
40. What protects Earth from impacts?
A)Clouds
B)Grass
C)Ocean
D)Atmosphere
Answer Key
1-D
2-A
3-A
4-C
5-B
6-A
7-C
8-C
9-A
10-B
11-C
12-B
13-A
14-B
15-C
16-B
17-D
18-D
19-A
20-B
21-D
22-C
23-C
24-C
25-A
26-C
27-D
28-C
29-D
30-D
31-B
32-A
33-D
34-A
35-D
36-C
37-D
38-B
39-D
40-D