Download Astronomy Unit review questions: - need a calculator, something to

Astronomy Unit review questions: - need a calculator, something to write with
1) Night and day are caused by (rotation or revolution). The Earth (revolves or rotates) in once in
24 hours. Since there is 360o in a circle how many degrees does the Earth (revolve or rotate) in
an hour?
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2) The seasons are caused by the by (rotation or revolution) around the Sun on its tilted axis.
Describe an Equinox and a Solstice using the 4 criteria.
Equinox
Where are the Sun’s direct rays focused?
How long is the day length?
Where is the Northern axis pointed?
How high is the Sun in the Sky at its zenith
___________
___________
___________
___________
Solstice
Where are the Sun’s direct rays focused?
How long is the day length?
Where is the Northern axis pointed?
How high is the Sun in the Sky at its zenith
___________
___________
___________
___________
3) Moon Facts
The Moon is the Earth’s only natural _________
The Moon is (¼, or 1/6) the diameter of the Earth.
The Moon has (¼, or 1/6) the gravity of the Earth
The astronomer _____________ looked through his telescope and observed three
features of the Moon. They were : ____________ , ______________, __________.
The Moon revolves around the Earth and rotates on its axis once every __________
days. This means from Earth we can only see _______________________________.
The name of the theory of how the Moon was formed is _________________________.
4) Phase of the Moon
The Moon is always _________% lit by the Sun.
Name the 8 phases of the Moon starting with New Moon and ending with New Moon.
New Moon , ___________, ____________, _____________, ____________,
__________, ____________, __________, New Moon,
It takes approximately how many days to go from New to Full Moon? _________
A Solar eclipse can only occur during what Moon phase? ____________
A Lunar eclipse can only occur during what Moon phase? ____________
A Neap tide occurs when the Moon is in the _________ phase or _______ phase.
A Spring tide occurs when the Moon is in the _________ phase or _______ phase.
5) Tides
At any one time there are ___________ high tides and __________ low tides on the
globe.
The High tides are on the side_____________ the Moon and the side ____________.
The Low tides are on the sides that form a _______0 angle with the Moon.
It takes ____________ hours to go from high tide to low tide.
A Neap tide is said to have a ___________ High tide and _________ Low tide?
A spring tide is said to have a ___________ High tide and a ___________ Low tide?
We are always going toward or away from a Spring tide. How much time passes
between a Spring Tide and a Neap tide? ____________
6) Eclipses
Put the Sun Moon and Earth in order for a Lunar eclipse? ______________,
____________, ____________.
Put the Sun Moon and Earth in order for a Solar eclipse? ______________,
____________, ____________.
In what part of the shadow would you have to be to see a partial eclipse?
______________
7) Star classification and Life.
Stars are classified by ___________, __________, ___________,
_____________,__________________.
Astronomers use a technique called ___________ to measure the distance to nearby
stars.
The unit of distance that astronomers use to measure the distance between stars is a
__________________.
Astronomers have plotted the ____________ brightness, the brightness of a star from a
standard distance against surface temperature in the ____________ diagram.
One class of star showed a relationship between these 2 characteristics
_____________________. Most stars are in this stage of life.
A star is born when what event occurs? ____________________.
Two forces are in equilibrium during the adult stage of a stars life, what are they?
___________ and ______________ .
The ___________ of a star determines the length of a stars life.
Stars are _______________ factories.
A small or medium star will end its life as a _________________________.
A Very large star will end its life as a _________________________.
8) EMS
Draw and label the parts of a wave.
Sketch the relationship between wavelength and energy (hint: direct, inverse, cyclic?)
What are the colors of the spectrum of visible light as shown above?
___________________________________________________
What is the highest energy form or Electromagnetic energy? ____________________