Worksheetsunit 3 test review
Total questions: 29
Worksheet time: 15mins
What does the measurement AU stand for?
Alpha Unit
Astronomical Unit
Accretion Unit
What is the primary source of light, heat, and
energy for the maintenance of life on Earth?
the moon
the ocean
the sun
the servers for Among Us.
The very first stars that formed in the universe after the Big Bang did not have planets as there were no heavier elements with which to make planets.
true
false
Which of the following is NOT a characteristic of solar nebular theory.
planets should all be on the same plane
larger planets should form closer to the sun
planets should all rotate on their axes in the same direction
planets should all orbit in the same direction
which of the following is the furthest from the sun
the Oort cloud
the Kupier belt
the asteroid belt
Jupiter
what happened to most of the hydrogen in the solar system after the sun was formed?
it formed the inner terrestrial planets
it condensed to form the asteroid belt
it was swept away by solar winds from the sun
it is still present in a very thin layer on the plane of our solar system.
which of the following planets is NOT a terrestrial planet
earth
jupiter
venus
mercury
which object was demoted to a dwarf planet in 2006
Pluto
the moon
Uranus
Earth
which type of planet is made primarily of rock?
jovian
terrestrial
which type of planet has a high density
jovian
terrestrial
Which of the following planets is NOT a jovian planet
jupiter
saturn
Mars
uranus
Which theory fits the following:
A mars- sized object crashed into the earth sending debris in the air that formed the moon.
Daughter Theory
Sister Theory
Giant Impact Theory
Capture Theory
Which theory fits the following:
The moon and the earth were formed simultaneously.
Daughter Theory
Sister Theory
Giant Impact Theory
Capture Theory
Which Theory fits the following:
The moon was "slung" out of the earth.
Daughter Theory
Sister Theory
Giant Impact Theory
Capture Theory
which theory fits the following:
The earth and moon formed separately and the moon was "sucked" in by earths gravity trapping it in orbit.
Daughter Theory
Sister Theory
Giant Impact Theory
Capture Theory
This type of near earth object comes from the asteroid belt (Typically larger than 100 meters)
Comet
Meteor
Asteroid
Meteoroid
Meteorite
This near earth object is a chunk of rock in space near a planets orbit and is smaller than 100 meters in diameter.
Comet
Meteor
Asteroid
Meteoroid
Meteorite
This type of near earth object is a chunk of rock from space that has hit the earth's surface.
Comet
Meteor
Asteroid
Meteoroid
Meteorite
This type of near earth object is a chunk of rock from space burning up in the atmosphere.
Comet
Meteor
Asteroid
Meteoroid
Meteorite
This theory is the most widely accepted theory of how the moon was formed
Daughter Theory
Sister Theory
Giant Impact Theory
Capture Theory
How many stars are there in our solar system?
One
Zero
Billions
Thousands
during the main sequence, fusion reactions will cause the the amount of helium to _______________ in the Sun's core.
increase
decrease
stay the same
The sun is predicted to only last another 200 million years.
True
False
Hydrogen is the main fuel for our sun
True
False
Planets are visible due to reflected sun light.
True
False
what explains why all of our solar systems planets are on the same elliptical plane
gravity
an accretion disk
luck
fate
How did the planets of the solar system form?
through the process of accretion
the sun captured them from smaller nearby stars
by condensing matter thrown off by the sun into rings.
by condensing remains of an exploded star once in a binary system with the sun.
Mercury completes 1 rotation every 58.6 earth days
Jupiter completes 1 rotation every 10 earth hours
Mars completes 1 rotation every 1 earth day
Which planet rotates fastest on its axis?
Mercury
Jupiter
Mars
Why does Venus spin the opposite direction of the other planets?
reverse principle
reverse gravity
inverted accretion model
Impact from an object in space during the early formation of the solar system
