A huge high energy explosion that created the universe.
100
Which of the following objects in space produce their own light?
Stars, moons, planets
Just stars
100
The _______________is made up of our sun and everything that travels around it.
solar system
100
The outer planets are known as the _______planets
Gas
100
The inner planets are known as the _______planets
Rocky
200
A light year is the distance light travels in a
year
200
The outer planets of the solar system are different than the inner planets because...
a. They are further away from the sun
b. They are further away from the sun and further away from each other.
c.They are further away from the sun but closer to each other.
d.They are closer to the sun and closer to each other.
They are further away from the sun and further away from each other.
200
The study of space is called...
a. Biology
b. Spaceology
c. Astrology
d. witchcraft
Astrology
200
What is the “habitable zone” ?
a. A place people like to live.
b. The zone around a star that where the planets are not too hot, or cold and has liquid water.
c. It's a zone around a star where conditions are too harsh to live in.
d. It’s a place where habits are formed.
The zone around a star that where the planets are not too hot, or cold and has liquid water.
200
How did our solar system form
Gravity pulled dust particles tighter and tighter together.
300
An AU (Astronomical unit) is the distance between the sun and
Earth
300
What is the biggest object in our solar system?
The sun
300
The inner planet are________dense than the outer planets.
more
300
Mercury has a year that is about 58 Earth days long. Why year is so much shorter than Earth’s year?
It is closer to the sun so it takes a shorter time to orbit the sun
300
ABOUT how old is the Universe?
around 13.5 billion years old
400
What is the Universe?
a.Everything that exists, everywhere.
b.The sun, and everything that travels around it only.
c.The milky way and our solar system only.
d.The earth, moon and sun only.
Everything that exists, everywhere.
400
Space...
a.Is SO coo oo oo oo oo ool
b. Has billions and billions of stars
c. Has billions and billion of galaxies.
d. All of the above
All of the above
400
When was the solar system formed?
a.During the big bang
b. About 10 thousand years ago
c. 4.5 billion years ago
d. 93 million years ago
4.5 billion years ago
400
Mrs. Dixon tells you that the planets are held in place by gravity. If gravity is an attractive force that pulls objects towards each other why doesn’t the Earth and the other planets in the solar system crash into the sun?
The planets have momentum of their own and are trying to move in a straight line
400
What would happen to the planets if the gravitational pull of the sun where to all of a sudden stop?
They would all continue moving in a straight line and leave the solar system
500
What force is responsible for the formation of the our solar system?
gravity
500
The current theory of how our solar system was formed is know as the...
a.Gravity theory
b.Solar Nebula Theory
c.Solar formation Theory
d.There is no theory and scientists just made it up.
Solar Nebula Theory
500
What is the biggest reason why humans not been able to travel other galaxies?
They are too far away
500
Our milky way galaxy is
a. The only galaxy in the universe.
b. One of billions of galaxies in the universe
c. One of about 12 galaxies in the universe.
d. Made of chocolate-malt nougat topped with caramel and covered with milk chocolate.
One of billions of galaxies in the universe
500
What determines the size of the “habitable zone” around any star?