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WorksheetsThe expanding universe
Total questions: 13
Worksheet time: 8mins
About how long ago do scientists believe the universe began?
13-15 billion years ago
13-14 million years ago
2-3 billion years ago
21-22 million years ago
The majority of matter in the universe is made of which two elements that formed after the Big Bang?
Oxygen and Helium
Nitrogen and Carbon
Hydrogen and Helium
Lithium and Oxygen
Cosmic microwave background radiation is
The left over energy from the initial expansion of the universe.
used for communication.
created by satellites.
a myth.
Which stars have the greatest red shift?
Stars closest to Earth where we can see them better.
Stars nearest Earth with least speed
Stars farthest from Earth with the greatest speed.
Stars in the nearest galaxy that are spinning.
Which of these is evidence for the Big Bang Theory?
blue shift
cosmic microwave background radiation
black holes
x-rays
Which of these is evidence for the expanding universe?
Blue shift
Olber’s paradox
Abundance of hydrogen & helium
Dark matter
Dark matter is considered to be responsible for ...
...the Big Bang
...the expanding universe
...the formation & structure of galaxies
...dark energy
Which of these is causing the expansion of the universe to accelerate?
gravity
the big bang
dark matter
dark energy
