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WorksheetsRelationships in the Universe
Total questions: 20
Worksheet time: 15mins
Which of these can be made of gases, dust, and hundreds of billions of stars?
a galaxy
a planet
a solar system
a constellation
Which is the largest object in our solar system?
Sun
Jupiter
Earth
Pluto
What is the name given to the distance that light can travel in one year that is used to measure distances in the universe?
Revolutions
Mile-year
Light-year
Miles
The Universe is a group of solar systems, matter and energy that are in space.
True
False
Place these objects in order from smallest to largest.
Planets, solar system, universe, galaxy
Solar system, planets, galaxy, universe
Planets, solar system, galaxy, universe
Galaxy, solar system, planets, universe
A light year is the
Distance that light travels in one year
Speed at which light travels
Distance between the Sun and the Earth
Distance at which light no longer exists
What is an astronomical unit (A.U.)?
the time it takes light to travel one year
the distance between the Earth and the Moon
the distance between the Earth and the Sun
the distance between the Earth and Neptune
What do we use astronomical units to measure?
distances in our solar system
how far our solar system is from others in our galaxy
the distances between galaxies
the distance from one side of the universe to the other
Why do we use light years and astronomical units to measure distances in space?
Scientists want to sound smart.
Hubble discovered these units and wanted to use them.
Space is too small to use km, it wouldn't make sense.
Space is too big, vast, enormous to use traditional units, like miles
Which of the following scenarios would be appropriate to use light years?
From the Sun to Earth
From Earth to Neptune
From the Milky Way to its closest galaxy
Asteroid Belt to the Kuiper Belt
Light year is a unit of __________
time
distance
brightness
heat
A.U. (astronomical units) are used to measure distances between _________
stars
planets
galaxies
solar systems
Which distance is larger: 1 astronomical unit or 1 light-year?
1 AU
1 LY
How many stars are in the galaxy?
billions
thousands
hundreds
millions
A large, rocky object orbiting the Sun is called a __________.
Comet
Asteroid
Meteorite
Meteor
Alex is showing his friend what he learned about comparing the objects of space by their relative sizes.
If “W” represents the universe, what would “X” most likely represent?
A solar system because it contains planets and stars.
A nebula because that is what the planets formed from.
A galaxy because it contains billions of stars and the planets.
A universe because it contains billions of stars and the planets.
Which of the following list the correct hierarchy in the Universe from biggest to smallest?
Universe, galaxies, solar system, stars and planets
Planets, stars, solar system, galaxies, universe
Solar system, galaxies, stars, planets, universe
Universe, solar system, galaxies, planets and stars
