Unit 11 Review Flashcards
The planets are kept in their orbit around the sun by a special force. What is this force called?
Gravity
What is the memory trick to remember planets based on their distance from the sun?
My Very Easy Method Just Speed Up Names
What is the memory trick to remember the planets based on their size?
Just Search Up Names Every Very MoMent
What is the order of planets based on their distance to the sun?
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
What is the order of planets based on their size?
Jupiter, Saturn, Uranus, Neptune, Earth, Venus, Mars, Mercury
Why is the sun so important?
It is the major source of energy on Earth
Where is the photosphere of the sun?
on the surface
Where is the corona of the sun?
the flames around it
Where is the core of the sun?
at it’s center
Which Planets are considered inner planets?
Earth, Mercury, Mars, Venus
Which planet:
- is the smallest planet
- has long, extremely cold nights
- has long, extremely hot periods of sun shining during the day
Mercury
Which planet:
- is the only planet to have liquid water on its surface
- is almost three quarters of its surface covered in water
- has a nearly circular orbit
Earth
Which planet:
- has a surface that is dry and rocky with mountains and volcanoes
- has no water on its surface
Venus
Which planet:
- has two moons that orbit it
- has dust storms on its surface as well as ice
- has seasons
Mars
True or False
Inner planets are all terrestrial – meaning they are made mainly of rock and metal
true
True or False
Inner planets have many natural satellites
false
True or False
Inner planets are solid, not gaseous
true
True or False
Inner planets have rings
false
True or False
It takes longer for the inner planets to orbit the sun than for the outer planets to orbit the sun
false
Which planets are considered outer planets?
Neptune
Uranus
Saturn
Jupiter
Which planet has :
- not solid surface
- hot liquid inside
- a rocky core at center
- rings made of small particles and dust
Jupiter
Which body :
- used to be considered a planet, but not anymore
- has a rocky and cold surface
Pluto
Which planet:
- rotates on its side
- is cold on its surface but hot at its core
- has 11 rings that circle it
- has 21 moons
Uranus
Which planet :
- is cold at the surface, hot at the core
- has 30 moons
- has the largest rings
- has a surface that is not solid
Saturn
Which planet :
- is the stormiest planet, with cold temperatures and seasons
- has 14 moons
- has rings that circle it
Neptune
True or False
Gas giants do not have solid surfaces
True
True or False
Gas giants all have their own moons
True
True or False
Gas Giants all have a cold atmosphere and a hot core
False
True or False
Gas giants all have rings around them
True
True or False
Stars are classified mainly according to their distance from Earth.
False
What determines the brightness of a star in the sky?
the distance of the star from Earth
Why do the constellations seem to move around in the sky
Earth’s rotation makes the constellations appear to move
Which constellation is connected with lines that look like a big saucepan?
Big Dipper
Which constellation looks like an upside-down little saucepan?
Little Dipper
Which constellation looks like a dude with no legs or head?
Orion
Which star is the brightest star in the constellation the Bid Dog?
Sirius
Which star in the Northern Hemisphere is above Earth’s axis?
Polaris
Which star makes up Orion’s knee?
Rigel
True or False
The Milky Way is a constellation containing our solar system
False
True or False
Telescopes can make objects in the sky look larger and can make some very dim objects bright enough to see
true
