Solar Cycle – Astronomy Test
The key terms of Astronomy Test include, Carbon Cycle, Water Cycle, Moon, Solar, Oxygen.
During which phase of the moon do we see the entire lighted side of the moon?
- waning gibbous
- new moon
- full moon – correct
- first quarter
Which term tells us that we are seeing more and more of the lighted portion of the moon?
- full
- new
- waxing – correct
- waning
How long does it take the moon to rotate on its axis?
- about 25.3 days
- about 27.3 days – correct
- about 30 days
- about 2 months
When dead animals break down, which of the following is released into the atmosphere?
- oxygen
- carbon dioxide – correct
- calcium
- greenhouse gases
The carbon cycle is closely linked to which of the following processes?
- photosynthesis – correct
- precipitation
- condensation
- evaporation
Which of the following elements accounts for 78 percent of Earth’s atmosphere?
- nitrogen – correct
- hydrogen
- water
- oxygen
The processes of evaporation, condensation, and transpiration operate in which of the following?
- water cycle – correct
- nitrogen cycle
- oxygen cycle
- hydrogen cycle
Which layer of the sun is only seen during a total solar eclipse?
- convective zone
- core
- corona – correct
- photosphere
Which layer of the sun is the hottest?
- core – correct
- chromosphere
- photosphere
- corona
Why do the planets in our solar system stay in their positions?
- They travel that the same distance from each other.
- The sun’s radiation keeps them there.
- Friction with the atmosphere keeps them from escaping.
- The sun’s gravity keeps them in place. – correct
Which of the following is a legume?
- clover – correct
- wheat
- corn
- oats
What form does nitrogen take in the atmosphere?
- N – no response givenN
- NO3–
- N2 – correct
- NH4+
Where are the nodules of a legume found?
- in the stem
- in the leaves
- in the flowers
- in the roots – correct
Which of the following solar phenomena is thought to cause short term climate changes?
- solar winds
- prominences
- solar flares
- sunspots – correct
Magnetic storms are the result of which of the following?
- 10- to 11-year cycling of sunspots
- a solar prominence
- constant solar wind
- an increased number of solar wind particles – correct
Why are sunspots dark?
- They are areas of solid material on the sun.
- They are warmer than the surrounding gases.
- They are cooler than the surrounding gases. – correct
- They are old spots on the sun.
The carbon cycle, closely related to the cycling of oxygen throughout the environment, is tied to which of the following processes?
- condensation
- photosynthesis – correct
- residence
- the rock cycle
Which of the following is a way that carbon enters the atmosphere?
- photosynthesis
- burial of biomass
- volcanic activity – correct
- deposition of sediment
Where is the largest reservoir of carbon?
- soil
- living things
- ocean – correct
- air
During which phase of the moon do we see the entire lighted side of the moon?
- waning gibbous
- new moon
- full moon – correct
- first quarter
Which term tells us that we are seeing more and more of the lighted portion of the moon?
- full
- new
- waxing – correct
- waning
How long does it take the moon to rotate on its axis?
- about 25.3 days
- about 27.3 days – correct
- about 30 days
- about 2 months
When dead animals break down, which of the following is released into the atmosphere?
- oxygen
- carbon dioxide – correct
- calcium
- greenhouse gases