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