The invisible pole that goes through the center of the earth
What is the axis
The moon is always ___% lit up
What is 50
When the moon passes in between the Sun and Earth and casts a shadow on the Earth
Common depictions of the solar system are accurate (T or F)
What is False
The attractive force between objects that have mass
What is gravity
The Earth ____ around the Sun
What is revolves
We see moon phases because of the ____ of the Earth and Moon
What is movement
When the Earth is between the Sun and the Moon, and casts a shadow on the Moon
What is lunar eclipse
An equinox occurs when Earth's rotation axis is ___ ___ Earth's orbit
What is next to
This percentage of the moon is lit up during a waxing gibbous
What is 50%
We have seasons because the Earth is ____
What is tilted
A new moon occurs when the moon is ___ the Sun and the Earth
What is between
The two parts of a shadow are the ___ and the ___
What is umbra, penumbra
The longest day of the year
What is the summer solstice (June 21st)
Earth's ____ causes day and night
What is rotation
The Earth is tilted by ____ degrees
What is 23.5
Waxing means ____ and waning means ___
What is increasing, decreasing
Total solar eclipses are rare because _____
What is the umbra covers a very small portion of the Earth
The distance between the Earth and the Sun (distance in the solar system is measured using this)
What is one astronomical unit
This was important for the creation of our solar system and holds the planets in orbit around the Sun
What is gravity
When the Northern Hemisphere is tilted toward the Sun, the Southern Hemisphere has this season
What is winter
A full moon occurs when the ___ is between the ___ and the ___
What is Earth, Sun, Moon
Solar eclipses do not happen every month because ___
What is the the moon's orbit is tilted
A solstice occurs when Earth's rotation axis is ___ or ___ ___ the Sun
What is toward or away from
Temperatures are warmer at the equator because it gets more direct ____
What is sunlight