Download Chapter 8 Earth in Space

Name __________________________________ Date ______________________ Section _________
Chapter 8 Earth in Space
MCAS Review Notes Sheet
Earth Motions, Time, and Seasons
Earth’s Rotation
Earth rotates, which means that ____________________________________________. An axis of
rotation is _________________________________________. Three effects of Earth’s rotation:
1.
2.
3.
Daily Time
The time of day is based on __________________________________________________. Earth
completes ___________________________________. Earth’s longitude is based on _______________
________________________. Every 15° _________________________________________________.
Earth’s Revolution
Earth moves around the sun in a motion called _______________________. This path is called it’s
____________. Earth’s revolution has two major effects.
Effect #1
Effect #2
Yearly Seasonal Time
The length of a year is based on _______________________________. Earth revolves _____________
________________________, which means that ____________________________________________.
Seasonal Changes
Earth’s seasons are based on ___________________________________________________________.
They are NOT based on _______________________________________________________________.
When the Northern Hemisphere is tilted towards the sun, they experience ________________________,
while the Southern Hemisphere experiences ___________________. During any season, the sun is
_____________________________________.
Proof of Earth’s Revolution
Proof that Earth revolves around the sun comes _____________________________________________.
Patterns in the sky are called ____________________________. During the course of the year
_________________________________________. This suggests that __________________________,
which means that __________________________________________.
Earth, the Moon, and the Sun
The moon is ______________________________________________________________. A satellite is
________________________________________________________. Because the moon is quite small,
_____________________________________________. Some surface features are _______________
___________________________________________________________________________________.
Motions and Phases of the Moon
Phases are __________________________________________________________________________.
Eclipses are _________________________________________________________________________.
Tides are ___________________________________________________________________________.
The moon appears to change shape because of _____________________________________________.
Eclipses
A lunar eclipse is when ________________________________________________________________.
A solar eclipse is when ________________________________________________________________.
More ________________ __________ than __________________________ happen each year.
The Moon and Earth’s Tides
Tides are caused by __________________________________________________________________.
When the ocean is pulled into two large bulges, there are _______________________ at these positions.
There are _____________________ between them. As earth rotates, ___________________________.
A spring tide is when _________________________________________________________________.
A neap tide is when ___________________________________________________________________.
Our Solar System
The solar system consists of ___________________________________________________________.
The major members of our solar system are _____________________________________________, but
_____________________________________________________________________ are also included.
The Sun
Six facts about the sun:
1
4
2
5
3
6
The Planets, Dwarf Planets, and Plutoids
Five facts about planets, dwarf planets, and plutoids:
Planets
Dwarf Planets
Plutoids
1
1
1
2
2
2
3
3
3
4
4
4
5
5
5
Asteroids, Comets, and Meteoroids
Three facts about asteroids, comets, and meteoroids:
Asteroids
Comets
Meteoroids
1
1
1
2
2
2
3
3
3
Beyond the Solar System
The Universe
The universe consists of _______________________________________________________________.
Galaxies are _________________________________________________________________________.
Distance in Space
A light-year is _______________________________________________________________________.
Scientists used light-years because _______________________________________________________.
Formation of the Solar System
Scientist think that around 10-15 billion years ago, __________________________________________
_______________________________________________________. This is called the big bang theory.
Scientists also think that at some point ___________________________________________________.
About 5 billion years ago, __________________________________. The oldest rocks from Earth, the
moon, and meteorites are about ___________________, which helps to prove that Earth is the same age.
Earth’s Position in the Universe
The Milky Way galaxy is ______________________________________________________________.
There are more than ____________________________________ in this star cluster. Distances between
stars are ___________________. When we look at the night sky, we only see ____________________.
Stars
Five facts about stars:
1
2
3
4
5