Science test Flashcards
perigee
point in an orbit that is closest to the earth
what occurs when day and night are of the same length in both hemispheres
equinoxes
A moon that is ( ) is one that is getting larger each night
Waxing
Umbra
Darker inner part of the shadow in an eclipse
what is the order of the sun earth moon in a solar eclipse
sun moon earth
Day and night are caused by
Earths rotation on it’s axis
What are the four inner planets
Mercury, Venus, Earth and Mars
what are the 4 rocky planets
Neptune, Jupitar, Saturn, Uranus
How long does it take for Mercury to make on full orbit
3 months
How long did it take for Venus to make one full orbit
7 months
How many years does it take for earth to make on full orbit
1 year
How long does it take for Venus to make one full orbit
around 2 years
How many years does it take Jupiter to make one full orbit
12 years
How long does it take for Saturn to make one full orbit
29 years
How many years did it take for uranus to make one complete orbit
84 years
How many years did it take for Neptune to make one full orbit
164 years
what are the planets from smallest to largest
Mercury, Mars, Venus, Earth, Neptune, Uranus, Saturn, Jupiter
What are the 2 planets that have well-developed atomospheres
venus and earth
Which planet has really thin atmosphere
Mars
Which planet has no atmosphere at all
Mercury
Which planets are mostly “made of” atmosphere?
the outter planets
What force determines the motions of planets and other objects in the solar system?
The force of Gravity
Atmosphere is made of hydrogen and helium:
Uranus
This planet appears red because its surface is covered in iron oxide (rust).
Mars
This planet is very hot during the day and extremely cold at night:
Mercury
This is the second largest planet:
Saturn
This planets axis of rotation is sideways:
Uranus
This planet has the longest rotation period of all planets in the solar system:
Venus
This planet has a prominent red spot which is a giant storm that has existed since the 17th century:
Jupitar
This planet has a very dense carbon dioxide rich atmosphere:
Venus
These two planets are mostly composed of hydrogen:
Jupitar and saturn
This is the largest planet:
Jupitar
These planets have no moons:
Mercury and Venus
This is the brightest natural object seen on Earth:
Venus
This planet has 62 moons:
Saturn
This planet most likely does not have a definite solid surface:
Jupitar
Which planet has 2 moons
Mars
Which planet has 67 moons
Jupitar
Which planet has 27 moons
Uranus
This planet most likely has a core of iron and nickel that is surrounded by metallic (solid) hydrogen, liquid hydrogen, and gaseous hydrogen.
Saturn
What keeps the earths temperature at a proper level for life
The distance away from the sun
Which planet rotates the fastest
Jupitar
What is the difference between an umbra and a penumbra
penumbra is the larger shadow where a partial eclipse occurs and the umbra is the smaller shadow where a total eclpsce occurs
What location would experience 24 hours of darkness during a summer solstic in the northern hemisphere
south pole
