- 1. _____________ is the largest terrestrial planet.
A) Jupiter
B) Venus
C) Earth
D) Saturn
- 2. The most abundant gas in Earth's atmosphere is:
A) argon
B) oxygen
C) carbon dioxide
D) nitrogen
- 3. The largest ocean in the solar system is on Jupiter and made of:
A) hydrogen
B) oxygen
C) water
D) carbon
- 4. What is the density of water?
A) 10 g/mL
B) 5 g/mL
C) 1 g/mL
D) .01 g/mL
- 5. It takes Mercury ________ days to orbit the sun.
A) 128
B) 88
C) 26.4
D) 28
- 6. Due to its size, it is sometimes called Earth's twin:
A) Mars
B) Uranus
C) Venus
D) Neptune
- 7. This planet is known for appearing so spin sideways:
A) Neptune
B) Uranus
C) Jupiter
D) Saturn
- 8. A/An _________________ is a large body of air with similiar characteristics such as temperature and humidity.
A) prediction
B) cold front
C) air mass
D) warm front
- 9. The planet whose mass is close to 300 times that of Earth is:
A) Neptune
B) Jupiter
C) Saturn
D) Uranus
- 10. What is the shape of our galaxy?
A) elliptical
B) horizontal
C) circular
D) Spiral
- 11. What is a specific object that has broken off an asteroid and travels through space?
A) asterite
B) mereorite
C) comet
D) meteoroid
- 12. What type of star is considered cool and small?
A) green dwarf
B) red dwarf
C) blue dwarf
D) white dwarf
- 13. What is a factor that determines a star's brightness?
A) density
B) gas
C) color
- 14. What galaxy is closest to our own galaxy?
A) Milkey Way
B) Comet Galaxy
C) Andromeda
D) Black Eye Galaxy
- 15. Which planet has a thick atmosphere AND a low density?
A) Earth
B) Mars
C) Venus
D) Uranus
- 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) asteroid
C) meteor
D) mereorite
- 17. What tool that is sent to investigate deep space and transmit their findings back to Earth?
A) telescope
B) space probe
C) comet
D) rover
- 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) asteroid
B) planet
C) meteor
D) comet
- 19. What is another way planets move in space other than revolve around the sun?
A) Rotate on its axis
B) horizontally
C) fly
D) sideways
- 20. The sun consists of _________% of the mass in our solar system.
A) 99
B) 25
C) 62
D) 50
- 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 hours
B) 8 years
C) 8 seconds
D) 8 minutes
- 23. Earth is found in a region of space called the:
A) terrestrial
B) habitable
C) fun
- 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) geocentric
B) heliocentric
- 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) Mercury and Venus
B) Mercury and Neptune
C) Earth and Mercury
D) Mars and Venus
- 28. What tool that is used to observe other galaxies that was put in space on April 24, 1990?
A) Starlink Satellites
B) Hubble Telescope
C) ISS
- 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) Jupiter
B) Neptune
C) Saturn
- 31. How does red giant compare to our sun, a red dwarf, and a blue dwarf?
A) it is the farthest
B) Its the brightest
C) it is the biggest
- 32. What medium yellow star that only seems huge because of its location compared to others?
A) Betelgeuse
B) Orion
C) Our Sun
- 33. What planet has the hottest in our solar system?
A) Venus
B) Mars
- 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) air mass
B) lightning storm
C) occluded front
D) cold front
- 36. Air masses are moved aroubd by _____________
A) prevailing winds
B) humidity
C) cold fronts
D) air masses
- 37. ____________ is the measure of how much water vapor is in the air.
A) humidity
B) weather front
C) water vapor
D) meteorology
- 38. Areas closer to the _________ are warmer because the sunlight is more direct.
A) north pole
B) equator
C) south pole
D) ring of fire
- 39. A ____________ happens when eruptions occur when the loops in sunspot regions suddenly connect.
A) Convection zone
B) Solar flares
C) Solar wind
D) Nuclear fusion
- 40. The layer of the sun's atmosphere that looks like a halo during an eclipse is:
A) sunspot
B) corona
C) chromosphere
D) core
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