- 1. _____________ is the largest terrestrial planet.
A) Earth
B) Saturn
C) Venus
D) Jupiter
- 2. The most abundant gas in Earth's atmosphere is:
A) nitrogen
B) carbon dioxide
C) argon
D) oxygen
- 3. The largest ocean in the solar system is on Jupiter and made of:
A) water
B) hydrogen
C) oxygen
D) carbon
- 4. What is the density of water?
A) .01 g/mL
B) 1 g/mL
C) 10 g/mL
D) 5 g/mL
- 5. It takes Mercury ________ days to orbit the sun.
A) 128
B) 28
C) 26.4
D) 88
- 6. Due to its size, it is sometimes called Earth's twin:
A) Uranus
B) Venus
C) Mars
D) Neptune
- 7. This planet is known for appearing so spin sideways:
A) Uranus
B) Saturn
C) Neptune
D) Jupiter
- 8. A/An _________________ is a large body of air with similiar characteristics such as temperature and humidity.
A) prediction
B) air mass
C) cold front
D) warm front
- 9. The planet whose mass is close to 300 times that of Earth is:
A) Neptune
B) Jupiter
C) Uranus
D) Saturn
- 10. What is the shape of our galaxy?
A) elliptical
B) horizontal
C) Spiral
D) circular
- 11. What is a specific object that has broken off an asteroid and travels through space?
A) comet
B) mereorite
C) asterite
D) meteoroid
- 12. What type of star is considered cool and small?
A) white dwarf
B) green dwarf
C) red dwarf
D) blue dwarf
- 13. What is a factor that determines a star's brightness?
A) gas
B) density
C) color
- 14. What galaxy is closest to our own galaxy?
A) Comet Galaxy
B) Milkey Way
C) Black Eye Galaxy
D) Andromeda
- 15. Which planet has a thick atmosphere AND a low density?
A) Mars
B) Venus
C) Uranus
D) Earth
- 16. What is the object that is made up of frozen gas and has a visible tail, pointing away from the sun?
A) comet
B) mereorite
C) meteor
D) asteroid
- 17. What tool that is sent to investigate deep space and transmit their findings back to Earth?
A) rover
B) space probe
C) telescope
D) comet
- 18. What object looks like a streak of light in the sky but is a small chunk of rock passing through Earth's atmosphere?
A) planet
B) meteor
C) comet
D) asteroid
- 19. What is another way planets move in space other than revolve around the sun?
A) fly
B) sideways
C) Rotate on its axis
D) horizontally
- 20. The sun consists of _________% of the mass in our solar system.
A) 99
B) 62
C) 50
D) 25
- 21. This needs to be a complete answer for full credit. WHY do the planets orbit the sun?
- 22. How long does it take light to travel from the sunto the Earth?
A) 8 years
B) 8 hours
C) 8 minutes
D) 8 seconds
- 23. Earth is found in a region of space called the:
A) fun
B) terrestrial
C) habitable
- 24. The early astronomer that first observed the moons of Jupiter in 1610 was :
A) Newton
B) Galileo
C) Da Vinci
- 25. Originally, people thought that the sun revolved around the Earth. This is called:
A) heliocentric
B) geocentric
- 26. WHAT is an AU. You must have a definition and also include the distance it is.
- 27. Which two planets have the least moons?
A) Mars and Venus
B) Mercury and Neptune
C) Earth and Mercury
D) Mercury and Venus
- 28. What tool that is used to observe other galaxies that was put in space on April 24, 1990?
A) ISS
B) Starlink Satellites
C) Hubble Telescope
- 29. What is the name of galaxy that Mars belongs to?
A) Milky Way
B) Andromeda
C) Black Eye Galaxy
- 30. What planet has a feature known as the Great Dark Spot?
A) Saturn
B) Neptune
C) Jupiter
- 31. How does red giant compare to our sun, a red dwarf, and a blue dwarf?
A) Its the brightest
B) it is the biggest
C) it is the farthest
- 32. What medium yellow star that only seems huge because of its location compared to others?
A) Our Sun
B) Betelgeuse
C) Orion
- 33. What planet has the hottest in our solar system?
A) Mars
B) Venus
- 34. Tell me why, in at least two sentences why the hottest planet in our solar system is so hot. You will have to obviously list which one it it.
- 35. A/an____________ are large bodies of air with similiar characteristics such as temperature and humidity.
A) occluded front
B) air mass
C) lightning storm
D) cold front
- 36. Air masses are moved aroubd by _____________
A) humidity
B) prevailing winds
C) air masses
D) cold fronts
- 37. ____________ is the measure of how much water vapor is in the air.
A) humidity
B) meteorology
C) weather front
D) water vapor
- 38. Areas closer to the _________ are warmer because the sunlight is more direct.
A) south pole
B) north pole
C) equator
D) ring of fire
- 39. A ____________ happens when eruptions occur when the loops in sunspot regions suddenly connect.
A) Nuclear fusion
B) Solar wind
C) Convection zone
D) Solar flares
- 40. The layer of the sun's atmosphere that looks like a halo during an eclipse is:
A) core
B) chromosphere
C) corona
D) sunspot
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