Space History
Earth
Moon
Moon's Phases
Eclipses
100
What is the term that means Earth-Centered?
Geocentric
100
What is the term for when an object spins on an internal axis?
Rotation
100
Why does the Moon "shine?"
It reflects the light from the Sun.
100
What causes the Moon to change phases?
They are caused by the Moon's position in relation to the Earth and Sun. As the Moon orbits Earth, we view the bright side of the moon from different angles. This determines it's phase.
100
What is the difference between a Lunar Eclipse and a Solar Eclipse?
A Lunar Eclipse happens when the Earth blocks the sunlight from the Moon.
A Solar Eclipse happens when the Moon blocks the sunlight from the Earth.
200
What is the term that means Sun-Centered?
Heliocentric
200
What happens in space to create ONE YEAR on Earth?
The Earth revolves around the Sun.
200
What types of movement does the Moon use? Explain.
Revolution around the Earth
Rotation on its own axis
200
Which phase of the moon is it when we can see the entire moon on Earth?
Full moon
200
Where can lunar eclipses be seen?
from anywhere on the dark side of Earth
300
What 2 words describe the outer planets farthest from the sun?
gas giants
300
What kind of motion is an orbit?
Revolution
300
What is the original and first phase of the moon?
New moon
300
Which phase of the moon comes after First quarter?
Waxing Gibbous
300
How long do Solar Eclipses last?
Solar Eclipses only last for a few minutes.
400
What separates the inner and outer planets?
the asteroid belt
400
Earth is grouped with which type of planets?
Rocky, terrestrial planets
400
What is the difference between gravity on Earth and gravity on the Moon?
The Moon's gravity is weaker than the Earth's gravity, because the moon is smaller.
400
Which phase of the moon comes after Third quarter?
Waning crescent
400
What phase is the Moon during a Lunar Eclipse?
It has to be a Full Moon.
500
List the 8 planets in order starting with closest to the sun
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus. Neptune, Pluto
500
What is so special about planet Earth that also makes it habitable?
It is the only planet where water can exist in all 3 states (solid, liquid and gas)
500
What is the difference between waxing and waning?
Waxing- when we can see more of the moon, more light
Waning- when we can see less of the moon, less light
500
How long does it take for the Moon to go through all 8 phases?
It takes 29 days. This is also one complete orbit around the Earth.
500
List and describe the 3 main parts of the Moon's shadow during an eclipse
Umbra - Dark center part of the shadow
Penumbra - Lighter outer part of the shadow
Antumbra - Past the umbra. Here the Moon is completely in front of the Sun, but the outline of the Sun can be seen around the shadow of the moon.