WorksheetsESS Part A Unit 2 Exam
Total questions: 33
Worksheet time: 17mins
Name
Class
Date
1.
A planet that is ________ from the sun will take _________ to complete an orbit.
a)
The same size ; the same time
b)
Closer ; longer
c)
Farther ; longer
d)
Farther : less time
2.
Which of the following is an approximate age of when the Sun and Earth formed, along with the rest of the solar system?
a)
4.6 billion years ago
b)
4.6 million years ago
c)
13.7 billion years ago
d)
1 million years ago
3.
Earth eventually separated into its core and these two additional layers.
(a)
4.
What are the two reference points that help in drawing the ellipse
a)
Foci
b)
polka dots
c)
ellipticals
d)
reference points
5.
Select all answers that apply:
What are 3 methods scientists use to determine how/when Earth was formed?
a)
Layers of Rocks (Law of Superposition)
b)
Radiometric Dating (radioactive decay, half-life, Carbon dating)
c)
Varve Count - Looking at the banding in rocks
d)
Kepler's Laws of Planetary Motion
6.
1.5 billion years ago, the chemical composition of the atmosphere is ______________ to what it is today.
a)
similar
b)
heavier
c)
different
d)
lighter
7.
Scientists believe this is one possible reason why the 1st atmosphere was lost.
a)
core
b)
solar nebula
c)
nuclear fusion
d)
solar wind
8.
According to Kepler’s 1st Law, the shape of a planetary orbit is called ___________.
a)
a circle
b)
an ellipse
c)
an epicycle
d)
a gravitational constant
9.
On which side of this orbit is the moon travelling at the highest velocity (speed)?
a)
Left
b)
Right
c)
Top
d)
Bottom
10.
Read each clue and identify the correct law the clue is referring to:
Each planet revolves around the sun with equal area in equal time.
a)
Kepler's 1st Law
b)
Kepler's 2nd Law
c)
Kepler's 3rd Law
d)
Law of Universal Gravitation
11.
When did Earths oceans begin to form?
a)
13.7 billion years ago
b)
4.6 billion years ago
c)
1.5billion years ago
d)
3.5 billion years ago
12.
Read each clue and identify the correct law the clue is referring to:
The greater the eccentricity, the more elongated an ellipse is.
a)
Kepler's 1st Law
b)
Kepler's 2nd Law
c)
Kepler's 3rd Law
d)
Law of Universal Gravitation
13.
(Select 2 answers) The first atmosphere of early Earth had a high percentage of these elements.
a)
Hydrogen
b)
Helium
c)
Carbon Dioxide
d)
Nitrogen
14.
Earth’s new atmosphere consisted of carbon dioxide created from ____________ due to the heat from the core.
a)
landslides
b)
volcanoes
c)
solar wind
d)
hurricanes
15.
Scientists believe that water vapor condensed and fell as rain to form?
a)
oceans
b)
craters
c)
groundwater
d)
snow
16.
_____________________materials were abundant when Earth first formed.
a)
decayed
b)
half-life
c)
carbon
d)
radioactive
17.
Which happened first?
a)
The universe went through a long cooling period
b)
Oceans formed
c)
The solar system formed
d)
Stars became planets
18.
Select the images which are ellipses.
a)
A, B, C, D
b)
B, C, D
c)
C, D
d)
A, C, D
19.
Identify which ellipse is most eccentric?
a)
A
b)
B
c)
C
d)
D
20.
According to Kepler’s 2nd Law, as a planet moves closest to the sun its orbit speed ___________________.
a)
decreases
b)
increases
c)
stays the same
d)
increases the eccentricity
21.
Determine the force of gravitational attraction between the earth with a mass of 5.98 x 10^24 kg and the moon with a mass of 7.35x10^22 kg. The distance is 6.38 x 106 m from earth's center. How would you set up this problem to solve it?
a)
Option 1
b)
Option 2
c)
Option 3
d)
Option 4
22.
Which law from Kepler would you use if you wanted to determine the period of revolution for a planet that had an average distance of 1.76 AU’s from the Sun?
a)
Kepler’s 1st Law
b)
Kepler’s 2nd Law
c)
Kepler’s 3rd Law
d)
Kepler's 4th Law
23.
Which planet has the longest orbital period?
a)
Planet 1
b)
Planet 2
c)
The sun
d)
F3
24.
Which of the following is the Gravitational Constant?
a)
5.55x10^11
b)
6.673x10^-11
c)
3.14x10^22
d)
89.89X10^-12
25.
(Select 2 answers) According to the Big Bang Theory
a)
the universe is expanding
b)
the Big Bang happened 10 million years ago
c)
the universe is getting smaller
d)
everything started out in a small volume (singularity)
26.
The name of the law that explains the farther the galaxy is the faster it is moving away
a)
Law of Ellipses
b)
Law of Gravity
c)
Hubble Law
d)
Kepler's Law
27.
Where does the sun get its energy?
a)
nuclear fission
b)
nuclear fusion
c)
the fire
d)
the universe
28.
(Select 2 answers) The first atoms to form were
a)
Hydrogen
b)
Iron
c)
Barium
d)
Helium
29.
Which example describes the blue shifting of a light source?
a)
When a light source moves away from the detector, increasing the wavelength of light
b)
When a light source moves towards the detector, increasing the wavelength of light, causing the light to appear red
c)
When a light source moves away from the detector, decreasing the wavelength of light
d)
When the light source moves towards from the detector, decreasing the wavelength of light
30.
In waves, the distance from one crest to another is called the _____________________.
a)
trough
b)
frequency
c)
wavelength
d)
amplitude
31.
What are some effects of solar flares on Earth?
a)
GPS Outages
b)
Auroras
c)
Radio Outages
d)
All of Above
32.
Approximately, how often does solar maximum happen?
a)
Every 1 year
b)
Every 11 years
c)
Every 100 Years
d)
Every 100 years
33.
What are sunspots?
a)
Dark spots on the surface of the sun with lower temperatures and stronger magnetic fields
b)
Bright spots on the surface of the sun with higher temperatures and lower magnetic fields
c)
Planets orbiting the sun emitting more light
d)
Comets passing by the sun emitting light
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