Middle School Earth and Space Science : Middle School Earth and Space Science
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Example Questions
Example Question #1 : Understand The Relative Size And Location Of Objects In The Universe
As time moved forward after the big bang, the universe expanded, resulting in the collision of particles of matter and the creation of celestial objects. Which of the celestial objects listed in the answer choices were formed last?
planets
solar systems
spiral galaxies
stars
spiral galaxies
The answer is "spiral galaxies" because stars, planets, and solar systems are required for their formation.
Distances in the universe are so vast that they can be difficult to comprehend. We measure distances in space using light years. A light year is about 6 trillion miles, the distance light travels in one Earth year.
We live on Earth, a planet in a solar system that orbits our sun. Our solar system is only part of a much larger system of many billions of stars called the Milky Way Galaxy. The Milky Way is shaped like a disk with concentrations of brighter stars and clouds of gas shaped like a whirlpool. The Milky Way is only one galaxy of many billions of galaxies in the universe.
In order from smallest to largest, some important terms to remember are: planets and stars, solar systems, galaxies, the universe. Each term is a component of the next. (Aside from planets and stars which are both different components of solar systems.)
Example Question #121 : Middle School Earth And Space Science
Which of the following is the primary reason we experience night and day on Earth?
Earth rotates
Earth revolves around the sun
the sun revolves around Earth
the sun rotates
Earth rotates
Stars, planets, moons, and other objects in space orbit around each other due to gravity. This type of motion is called revolution. Many objects in space also spin in place. This motion is called rotation.
One Earth rotation is the length of an Earth day and is the reason we experience night and day. One Earth revolution around the sun is the length of a year. Other planets have different lengths of days and years because they rotate and revolve at different speeds.
All planets in our solar system revolve around the sun in the same direction. Most of them (with the exception of uranus and venus) rotate in the same direction as well.About half of the galaxies in the universe rotate clockwise, and the other half rotate counter clockwise. Scientists think this may be because of the way our universe began.
Example Question #122 : Middle School Earth And Space Science
Which of the following objects orbit around other objects in space?
planets
moons
none of these
all of these
comets
all of these
The answer is "all of these."
Stars, planets, moons, and other objects in space orbit around each other due to gravity. This type of motion is called revolution. Many objects in space also spin in place. This motion is called rotation.
One Earth rotation is the length of an Earth day and is the reason we experience night and day. One Earth revolution around the sun is the length of a year. Other planets have different lengths of days and years because they rotate and revolve at different speeds.
All planets in our solar system revolve around the sun in the same direction. Most of them (with the exception of uranus and venus) rotate in the same direction as well.About half of the galaxies in the universe rotate clockwise, and the other half rotate counter clockwise. Galaxies are also moving away from each other due to the expansion of the Universe brought on by the Big Bang.
Example Question #123 : Middle School Earth And Space Science
Which of the following statements is true?
only planets rotate and revolve
all galaxies rotate in the same direction
all of these
none of these
objects in the universe rotate and revolve at different speeds
objects in the universe rotate and revolve at different speeds
The answer is "objects in the universe rotate and revolve at different speeds."
Stars, planets, moons, and other objects in space orbit around each other due to gravity. This type of motion is called revolution. Many objects in space also spin in place. This motion is called rotation.
One Earth rotation is the length of an Earth day and is the reason we experience night and day. One Earth revolution around the sun is the length of a year. Other planets have different lengths of days and years because they rotate and revolve at different speeds.
All planets in our solar system revolve around the sun in the same direction. Most of them (with the exception of uranus and venus) rotate in the same direction as well. About half of the galaxies in the universe rotate clockwise, and the other half rotate counter clockwise. Galaxies are also moving away from each other due to the expansion of the Universe brought on by the Big Bang.
Example Question #124 : Middle School Earth And Space Science
What type of motion determines the length of a year on any planet?
revolution
chirality
expansion
rotation
revolution
Stars, planets, moons, and other objects in space orbit around each other due to gravity. This type of motion is called revolution. Many objects in space also spin in place. This motion is called rotation.
One Earth rotation is the length of an Earth day and is the reason we experience night and day. One Earth revolution around the sun is the length of a year. Other planets have different lengths of days and years because they rotate and revolve at different speeds.
All planets in our solar system revolve around the sun in the same direction. Most of them (with the exception of uranus and venus) rotate in the same direction as well.About half of the galaxies in the universe rotate clockwise, and the other half rotate counter clockwise. Galaxies are also moving away from each other due to the expansion of the Universe brought on by the Big Bang.
Example Question #125 : Middle School Earth And Space Science
Which of the following statements is false?
none of these are false
all of these are false
galaxies are all moving away from each other due to the expansion of the universe
all planets in our solar system revolve around the sun in the same direction
many celestial bodies rotate and revolve in the same directions as objects around them
none of these are false
Stars, planets, moons, and other objects in space orbit around each other due to gravity. This type of motion is called revolution. Many objects in space also spin in place. This motion is called rotation.
One Earth rotation is the length of an Earth day and is the reason we experience night and day. One Earth revolution around the sun is the length of a year. Other planets have different lengths of days and years because they rotate and revolve at different speeds.
All planets in our solar system revolve around the sun in the same direction. Most of them (with the exception of Uranus and Venus) rotate in the same direction as well. About half of the galaxies in the universe rotate clockwise, and the other half rotate counter clockwise. Galaxies are also moving away from each other due to the expansion of the Universe brought on by the Big Bang.
Example Question #126 : Middle School Earth And Space Science
When examining galaxies outside our own, we notice that they are "red-shifted." This means that these galaxies are moving away from the observer. How does this observation support the Big Bang Theory?
It indicates that the universe is expanding.
It shows that the Earth is spinning.
It suggests our galaxy was the first one to form.
It means the Earth is the center of the universe.
It indicates that the universe is expanding.
The answer is "It indicates that the universe is expanding."
Stars, planets, moons, and other objects in space orbit around each other due to gravity. This type of motion is called revolution. Many objects in space also spin in place. This motion is called rotation.
One Earth rotation is the length of an Earth day and is the reason we experience night and day. One Earth revolution around the sun is the length of a year. Other planets have different lengths of days and years because they rotate and revolve at different speeds.
All planets in our solar system revolve around the sun in the same direction. Most of them (with the exception of uranus and venus) rotate in the same direction as well.About half of the galaxies in the universe rotate clockwise, and the other half rotate counter clockwise. Galaxies are also moving away from each other due to the expansion of the Universe brought on by the Big Bang.
Example Question #127 : Middle School Earth And Space Science
The shape of a planet's orbit can BEST be described as _________?
linear
curved
circular
elliptical
elliptical
The answer is "elliptical."
Stars, planets, moons, and other objects in space orbit around each other due to gravity. This type of motion is called revolution. Many objects in space also spin in place. This motion is called rotation.
One Earth rotation is the length of an Earth day and is the reason we experience night and day. One Earth revolution around the sun is the length of a year. Other planets have different lengths of days and years because they rotate and revolve at different speeds.
All planets in our solar system revolve around the sun in the same direction. Most of them (with the exception of uranus and venus) rotate in the same direction as well.About half of the galaxies in the universe rotate clockwise, and the other half rotate counter clockwise. Galaxies are also moving away from each other due to the expansion of the Universe brought on by the Big Bang.
Example Question #8 : Describe The Motion Of Objects In The Universe
Earth's velocity changes as it revolves around the sun. This is primarily because:
As Earth gets closer to the sun in part of its orbit, the force of gravity increases, thus increasing its velocity.
Earth's velocity changes as it spins.
Earth's velocity is affected greatly by solar winds.
As Earth gets further from the sun in part of its orbit, the force of gravity increases, thus decreasing its velocity.
As Earth gets closer to the sun in part of its orbit, the force of gravity increases, thus increasing its velocity.
The answer is "As Earth gets closer to the sun in part of its orbit, the force of gravity increases, thus increasing its velocity."
Stars, planets, moons, and other objects in space orbit around each other due to gravity. This type of motion is called revolution. Many objects in space also spin in place. This motion is called rotation.
One Earth rotation is the length of an Earth day and is the reason we experience night and day. One Earth revolution around the sun is the length of a year. Other planets have different lengths of days and years because they rotate and revolve at different speeds.
All planets in our solar system revolve around the sun in the same direction. Most of them (with the exception of uranus and venus) rotate in the same direction as well.About half of the galaxies in the universe rotate clockwise, and the other half rotate counter clockwise. Galaxies are also moving away from each other due to the expansion of the Universe brought on by the Big Bang.
Example Question #9 : Describe The Motion Of Objects In The Universe
Which of these diagrams shows the planet with the LEAST eccentric orbit?
The more elliptical or ovular an orbit is, the more eccentric it is.
Stars, planets, moons, and other objects in space orbit around each other due to gravity. This type of motion is called revolution. Many objects in space also spin in place. This motion is called rotation.
One Earth rotation is the length of an Earth day and is the reason we experience night and day. One Earth revolution around the sun is the length of a year. Other planets have different lengths of days and years because they rotate and revolve at different speeds.
All planets in our solar system revolve around the sun in the same direction. Most of them (with the exception of uranus and venus) rotate in the same direction as well.About half of the galaxies in the universe rotate clockwise, and the other half rotate counter clockwise. Galaxies are also moving away from each other due to the expansion of the Universe brought on by the Big Bang.
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