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Structure and Motion of the Solar System Flashcards | StudBud
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Structure and Motion of the Solar System
Structure and Motion of the Solar System
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1
how many days does it take for the earth to revolve around the sun
365.25
362
365
324
2
On which planet would you weigh the most on? Why?
Mercury because it has the least mass.
Jupiter because it has the most mass.
Saturn because it has the most mass.
Mars because it has the least mass.
3
Define Gravity
A force that causes objects with mass to attract each other
A push or pull that causes an object to move, stop, or change direction
Any of the large celestial bodies that revolve around the Sun
Information that supports an idea
4
The Phases of the Moon
Can Occur in any order
Follow a pattern with a predictable sequence
Change every 12 years
5
About how many days would it take to go from a Full Moon to a New Moon?
14 days
7 days
3.5 days
21 days
6
Where is the position of the moon during the Solar Eclipse?
middle (between the earth and the sun)
behind (positioning the sun in the middle)
front (positioning the earth in the middle)
7
Define inertia
a change in velocity
a push or pull
an object's tendency to resist change in motion
8
How do you define orbit?
strength or energy as an attribute of physical action or movement
a type of gum
an objects speed
is a regular, repeating path that one object in space takes around another
9
Which planet has the most gravity?
Earth
Jupiter
the Moon
Pluto
10
Define umbra.
The part of the shadow where the sun is completely blocked out
The second darkest part of eclipse shadow
Short for umbrella
A moon phase
11
The penumbra is:
Where total eclipses occue
darkest shadow cast by Earth and the Moon
the part of the shadow where only a portion of the sun is covered
The center of the shadow
12
What is the movement (spin) of the Earth on its axis called?
Phases.
Orbit.
Rotation.
Revolution.
13
Which position of Earth represents summer in the Northern hemisphere?
Position D
position A
Position C
Position B
14
Which two factors affect gravity?
Shape & Density
Volume & Shape
Weight & Size
Mass & Distance
15
If the Northern Hemisphere is in summer what is the Southern Hemisphere?
fall
spring
summer
winter
16
What is the tilt of the Earth's axis in degrees?
12.6°
48.4°
23.5°
17
What is the difference between seasons in the Northern and Southern hemispheres?
They are exactly the same.
The southern hemisphere's seasons are longer than the northern hemisphere.
They are exactly opposite.
The occur at the same time.
18
What is a solstice?
when the Earth is always pointed toward or away from the sun
when the Earth is neither pointed toward or away from the sun for the day
when the Earth is only pointed towards the sun
the longest or shortest day of the year
19
The Earth's North Pole axis always points to this star:
Sirius/Dog Star
Crux/Southern Cross
Polaris/North Star
20
The same side of the Moon is always facing the Earth because of:
The Moon's rotation & revolution take the same time
The Moon's rotation & revolution times are different
The Moon does not rotate
The Earth & Moon have different rotation & revolution times
21
What is the difference between waxing and waning?
Light is getting bigger when waning and smaller when waxing
Light is getting bigger when waxing and smaller when waning
waxing means no light, waning means there is light
waxing comes after a full moon waning comes after a new moon
22
How much of the moon is always illuminated?
The entirety
It is never illuminated
It depends
One side
23
What is the name of the scientist who discovered gravitational force?
Mr Williams
Stephen Hawking
Albert Einstein
Isaac Newton
24
Is there a correlation between the length of day and temperature?
Yes. Longer days equal higher temperatures.
No. There is not pattern, the numbers are random.
No. The seasons occur because of the tilt.
Yes. It is always warmer in the summer and cooler in winter.
25
What is an equinox?
the longest and shortest day of the year
when there someone is named nox and is a equal weight
finish
12 hours of day 12 hours of night
26
Why does the moon affect tides more than the sun?
The sun is closer to the earth than the moon
The moon is brighter than the sun
The moon is bigger than the earth
The moon is closer to the earth than the sun
27
What two factors keep a planet in orbit around the sun?
Inertia and gravity
gravity and weight
mass and weight
inertia and mass