Questions For Test On 4/23 Flashcards
How long does it take Earth to rotate one time?
About 24 hours.
How long does it take Earth to revolve around the sun?
It takes about 365 days for Earth to revolve around the sun.
How long does it take the moon to revolve around Earth?
About one month
How many times does Earth rotate as it revolves around the sun?
365 times
What are the four terrestrial planets?
Mercury, Venus, Earth, Mars.
What are the four gas giant planets?
Jupiter, Saturn, Uranus, Neptune.
Which planets have rings?
All four gas giants. Jupiter, Saturn, Uranus, Neptune.
Which is the hottest planet in our solar system?
Venus
Which is the largest planet in our solar system?
Jupiter. ( every single planet could fit inside Jupiter at one time!
What are the three layers of the sun?
The core, the radioactive zone, and the convective zone.
In which layer is the sun’s energy generated?
The core
What are the layers of the sun’s atmosphere?
Photosphere, chromosphere, and Corona.
What layer of the sun’s atmosphere do we see when we look at the sun?
Photosphere
What layer of the sun’s atmosphere do we only see during an eclipse?
The corona
How many Earths would fit inside the sun?
1 million earths
What force keeps objects revolving around the sun?
Gravity
Why does the Sun appear brighter on Earth than other stars that are larger?
It is closer than other stars so it looks brighter.
How does a planet’s distance from the sun affect its orbit?
If it is closer than it will take a shorter time to orbit, than a planet that is farther away.
Why is Venus hotter than Mercury?
Venus has a thick atmosphere
