unit 3 The solar system and the universe
Waxing Crescent
A phase of the moon coming after a new moon and before a 1st quarter moon that is a lit up crescent on the right
Waxing Gibbous
A phase of the moon that comes after a 1st quarter moon and before a full moon where almost all of the moon is lit up from the right to the left, except a small bit on the left.
In which month does the northern hemisphere receive the least amount of direct sunlight?
December
What cause day and night?
Earth's rotation on its axis
In which month does the northern hemisphere receive the greatest amount of direct sunlight?
June
In which months do solstices take place?
June and December
Gas Giants/Outer Planets
Jupiter, Saturn, Uranus, Neptune. They are large and have gaseous (hydrogen and helium) deep atmospheres with solid cores, rings, and many moons
In which months do equinoxes take place?
March and September
Which planet is closest to the sun?
Mercury
terrestrial planets
Mercury, Venus, Earth, and Mars because they are solid and rocky
Which planet is furthest from the sun?
Neptune
Which planet has rings?
Saturn
first quarter moon
The moon is a quarter of the way around the Earth. You can see the right half of the moon.
Waning Gibbous Moon
The phase in which the sunlight portion of the moon is beginning to shrink smaller and is now on the left side, but is still more than half.
third quarter moon
The phase of the moon when it is three-quarters of the way through its orbit, and we see half of the moon lighted
Which describes Pluto, Eris, and Ceres?
dwarf planets
full moon phase
entire lit side of the moon is seen
asteroids are
found in high concentration in an asteroid belt between the orbits of Mars and Jupiter
lunar
moon
orbits a planet
moon
Waning Crescent
moon phase that comes after a third quarter moon and before a new moon; less than half of the moon is lit up on the left side
Which phase of the moon is not visible from Earth?
new moon
How long does Earth take to make one rotation?
one day
How long does it take for the earth to revolve around the sun?
one year
new moon phase
phase when the moon is located directly between the earth and sun
Object in the center of our solar system
sun
solar
sun
The Earth rotating on its axis cause the
sun, moon, and stars to appear to move across the sky each day
What is the reason the Moon looks like it is shining when we see it in the night sky?
the Moon reflects light from the Sun
Why is the northern hemisphere of Earth colder in winter than in summer?
the rays from the sun shine less directly in winter
How many days are there between each new moon?
thirty days
