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Earth Science Unit 1: Astronomy Flashcards | StudBud
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Earth Science Unit 1: Astronomy
Which planet's axis points towards the sun?
What are the three types of stars?
Earth Science Unit 1: Astronomy
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1
What are the three types of stars?
Dwarfs, Giants, and Regular
Dwarfs, Giants, and Supergiants
Bright, Superbright, and Dim
Bright, Superbright, and Extra Superbright
2
Which planet's axis points towards the sun?
Saturn
Earth
Uranus
Neptune
3
How does energy from the sun get to Earth?
It floats
It radiates via electromagnetic waves
It doesn't the ozone layer completely blocks it.
It is converted from sun rays to usable energy
4
To what degree is Earth's axis tilted?
12.7
90
25.3
23.5
5
The Milky Way is a part of the _______?
Space gravity
Universe
Moon
Earth
6
What is the term that describes the center of mass in space that the Earth actually orbits?
There isn't one, the Earth orbits the sun itself
Barycenter
Revolution
Nutation
7
What is the specific term that describes Earth's shape?
Rippled Ooblet
Spheroidal Oblate
Spherical
Flat
8
What causes the phases of the moon?
The motion of the moon & reflected sunlight off its surface
Gravity
The Earth rotating
Nobody knows
9
What is a neap tide and during which moon phases will it occur?
The greatest tidal range; During a Full or New moon
The smallest tidal range; During a Full or New moon
The smallest tidal range: During a 1st or 3rd Quarter moon
The greatest tidal range; During a 1st or 3rd Quarter moon
10
What are the points that Kepler's 2nd Law makes?
Earth moves fastest near the sun and slower far from the sun
Earth travels at equal speeds
Earth moves slowest near the sun and fast far from the sun
It's the math that backs up the other laws.
11
Earth is the only planet to have what?
Life and liquid water
Rings
Storms
A moon
12
What celestial body separates Mars from Jupiter?
The Kuiper Belt
An asteroid belt
A gaseous ring
Jupiter's Moons
13
Which planet was known to have had water on it's surface in the past?
Jupiter
Mars
Neptune
Venus
14
Describe Earth's path around the sun.
Earth doesn't have a path around the sun
Square
Elliptical
Circular
15
What does synchronous rotation of the moon mean?
The moons revolution is the same as Earth's
The Earth and Moon rotate at the same speeds
The moons rotation matches its revolution exactly
The Moon and the Sun have matching revolutions
16
What is precession?
When Earth traces out the path of a cone over 26000 years
When the Earth orbits the sun.
When the moon orbits Earth
When the Earth spins in space.
17
What is an asteroid?
A group of satellites
Small, irregularly shaped, rocky objects that orbit the sun
A moon that lost its orbit
A huge ball of plasma
18
What is photosynthesis?
When plants convert sugar into oxygen
When plants convert solar energy into a usable form
When plants absorb water
When plants make CO2
19
Which of Kepler's Laws describes the elliptical path of Earth as it travels around the sun?
Law 3
Law 4
Law 2
Law 1
20
What keeps us safe on Earth from the dangerous varieties of electromagnetic waves?
The Stratospheric ozone layer
sunglasses
The troposphere
Fission
21
What is the reason for Earth's seasons?
The sun
The moon's gravitational pull
It's tilted axis
The ocean tides
22
What equation does Kepler's Law number 3 refer to?
1+1=2
slow=far
distance=speed
fast=close
23
What does the term Perihelion mean?
Earth orbits the sun
Earth equals the sun
Earth close to sun
Earth away from sun
24
Which is the largest planet?
Jupiter
Earth
Saturn
Neptune
25
Why does the moon's gravitational pull have a bigger effect on tides than the sun's pull?
The moon has a special connection with Earth
The moon is stronger
The moon is closer
The sun doesn't have gravity
26
Which planet has the greatest temperature range?
Mars
Mercury
Neptune
Venus
27
What Galaxy is our solar system a part of?
The Hershey Bar
The Milky Way
The 3 Muskateers
The Snickers
28
Where does nuclear fusion occur?
Everywhere!
On the surface of the sun
On the moon
In the core of the sun
29
What is a nebula?
A huge cloud of gas and dust where stars form
A collection of planets
A character from the Guardians of the Galaxy
A new planet, recently discovered
30
How are the sun and moon aligned during a Neap Tide?
At a 90o angle
In a circle
At a 45o angle
In a straight line
31
What is a tide?
An ocean wave
Changes in the elevation of the ocean's surface
A phase of the moon
A laundry detergent brand
32
What is nutation?
When Earth revolves around the sun.
The wobbling of Earth as it goes through precession.
The term for Earth spinning on it's axis.
When the Earth spins like a top.
33
Which planet has a very dense CO2 atmosphere?
Mars
Uranus
Venus
Mercury
34
How long does it take Neptune to complete one orbit around the sun?
365 years
185 days
365 days
185 years
35
What is fission?
The combination of elements
The division of elements
When a moon is formed
When two Hydrogens make a Helium
36
How many planets and stars does our solar system have?
9 planets and 3 stars
9 planets and 1 star
8 stars and 1 planet
8 planets and 1 star
37
What is a galaxy?
A collection of stars, planets, and nebulas
A collection of asteroids
A huge cloud of dust
A collection of satellites
38
What causes the Earth to "wobble" as it goes through precession?
An unknown force
The moon's gravitational pull
Music
The gravitational pull of the other planets
39
What is a spring tide and during which moon phases will it occur?
The greatest tidal range; During a New or Full moon
The smallest tidal range: During a 1st or 3rd quarter moon
The greatest tidal range; During a 1st or 3rd Quarter moon
The smallest tidal range: During a New or Full Moon
40
Which planet has the largest moon (Titan) associated with it?
Saturn
Jupiter
Mercury
Neptune
41
What is Rotation?
When Earth revolves around the sun
When the seasons change
The spinning of Earth on its axis
When Earth wobbles
42
How are the moon and sun aligned during a Spring Tide?
At a 45o angle
At a 90o angle
In a straight line
In a circle
43
What are the 4 "Gas Giant" planets?
Mercury, Venus, Earth, Mars
Mercury, Venus, Uranus, Neptune
Mars, Jupiter, Uranus, Venus
Jupiter, Saturn, Uranus, Neptune
44
Stars are varying temperatures. What is the range of colors from hottest to coolest?
red, orange, yellow, white, and blue
blue, white, yellow, orange, and red
yellow, orange, red, white, and blue
blue, green, yellow, purple, and white
45
What is released during the process of nuclear fusion?
Light, heat, and EM waves
Light
Heat
Light and Heat
46
How long is one lunar month.
28.5 days
28.5 hours
24 hours
365 days
47
How long does one revolution take?
18 years
26000 years
24 hours
365 days
48
What does the term Aphelion mean?
Earth away from sun
Earth likes the sun
Earth near to sun
Earth equal to sun
49
What are the 4 terrestrial planets?
Neptune, Earth, Venus, Jupiter
Mercury, Venus, Earth, Mars
Mercury, Earth, Mars, Jupiter
Jupiter, Saturn, Uranus, Neptune
50
Where is Earth the fattest (largest)?
The bottom
The top
The equator
Its actually a perfect sphere
51
What are the 4 main motions of Earth?
Wobbling, rotation, and revolution
Precession and Nutation
Rotation and revolution
rotation, revolution, precession, and nutation
52
What is the process of photosynthesis?
carbon dioxide + water ------> sugar + oxygen
sugar + sunlight ------ water + carbon dioxide
sugar + oxygen + sunlight -------> water + carbon dioxide
carbon dioxide + water + sunlight ---> sugar + oxygen
53
What is the evidence for the expanding universe?
The stars changing
The Earth's path changing
The seasons changing
Aliens sent us messages
