Moon Quarter – Astronomy Hw
The key terms of Astronomy Homework, Moon, Sun, Earth, Solar, Cycle, Pulls, Quarter.
Which way does the sun’s gravity act on any body in orbit?
- pulls it forward in its orbit
- pulls it toward the sun – correct
- pulls it backward in its orbit
- pulls it away from the sun
When does a planet have the fastest speed in its orbit?
- when it has a very low mass
- when it has a slow rotation
- when it is farthest from the sun
- when it is closest to the sun – correct
Small rocky bodies that are thought to be leftover remnants from the formation of the solar system are called __________.
Which term best completes the sentence?
- comets
- planets
- Oort Clouds
- asteroids – correct
Which part of a comet always points away from the sun?
- coma
- nucleus
- jet
- tail – correct
Which of the following solar phenomena causes magnetic storms?
- solar flares – correct
- sunspots
- solar prominences
- solar heat
At times during a month, there is no moon visible from earth, even on a clear night. Which phase of the moon is this?
- new moon – correct
- first quarter moon
- third quarter moon
- full moon
During which phase of the moon is it possible to experience a lunar eclipse?
- first quarter moon
- new moon
- third quarter moon
- full moon – correct
During which phase of the moon is it possible to experience a solar eclipse?
- third quarter moon
- new moon – correct
- first quarter moon
- full moon
A certain location on earth experiences a partial solar eclipse.
Which of the following statements is true about that location?
- The location is in the penumbra of earth’s shadow.
- The location is in the umbra of earth’s shadow.
- The location is in the penumbra of the moon’s shadow. – correct
- The location is in the umbra of the moon’s shadow.
When is it summer in the Northern Hemisphere?
- when the Northern Hemisphere is tilted toward the sun – correct
- during an equinox
- when neither pole is receiving the most direct sunlight
- when the Northern Hemisphere is closest to the sun
Which of the following causes the seasons?
- tilt of earth’s axis – correct
- distance from the sun
- revolution of moon around earth
- rotation of earth on axis
When do both hemispheres receive the same amount of the sun’s energy?
- only winter solstice
- only autumnal equinox
- only vernal equinox
- both autumnal equinox and vernal equinox – correct
Is this statement true or false?
The gravitational pull of the moonis one of the causes of the daily tidal cycle.
- true – correct
- false
Is this statement true or false?
The size of the ocean is one of the causes of the daily tidal cycle.
- true – correct
- false
Is this statement true or false?
The gravitational pull of the sunis one of the causes of the daily tidal cycle.
- true – correct
- false
Is this statement true or false?
The rotation of earth on axisis one of the causes of the daily tidal cycle.
- true – correct
- false
How long is a lunar month?
- 23.5 days
- 29.5 days – correct
- 30 days
- 365.25 days
Most of the mass of the solar system is located in which of the following?
- comets
- sun – correct
- Jupiter
- Earth
Which explanation accounts for where rocky planets formed?
- The inner portions of the disk are warm from the protostar making the heavy elements remain there. – correct
- The inner portions of the disk are cold from the protostar making the heavy elements remain there.
- Heavy elements spin into the outer regions of the disk due to their mass.
- Heavy elements form in the outer regions of the disk due to the spinning protostar.
Which aspect of the nebula hypothesis accounts for the planets orbiting in the same direction and plane?
- Most material coalesced into the center of the disk.
- The large cloud of gas and dust collapsed.
- The outer portions of the disk were cool.
- The collapsing gas and dust cloud began to spin and form a disk. – correct
Which type of path do planets follow around the sun?
Which way does the sun’s gravity act on any body in orbit?
- pulls it forward in its orbit
- pulls it toward the sun – correct
- pulls it backward in its orbit
- pulls it away from the sun
When does a planet have the fastest speed in its orbit?
- when it has a very low mass
- when it has a slow rotation
- when it is farthest from the sun
- when it is closest to the sun – correct
Small rocky bodies that are thought to be leftover remnants from the formation of the solar system are called __________.
Which term best completes the sentence?
- comets
- planets
- Oort Clouds
- asteroids – correct
Which part of a comet always points away from the sun?
- coma
- nucleus
- jet
- tail – correct