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WorksheetsExpansion of the universe
Total questions: 16
Worksheet time: 8mins
What tool is used to find the composition of stars
thermometer
Spectroscope
Electromagnetic Spectrum
Constellation
What two elements were formed after the big bang
Lithium, Beryllium
Hydrogen, Helium
Boron, Carbon
Nitrogen, Oxygen
What do scientist believe the universe was like before the big bang?
Everything was already spread apart
Everything was further apart
All energy in the universe contained in a single point
All the energy was destroyed
What color of a star is the hottest?
Red
Yellow
Blue
White
How long ago do scientist believe the universe was began
20 to 25 billion years ago
13 to 15 billion years ago
10 to 13 billion years ago
13 to 15 million years ago
What is cosmic background radiation
Left over from the big bang
Left over from your dinner
Left over from your phone
The reason stars are so small from earth
they are so far away
they are a hologram
They are small
What are constellations
Stars that are in a pattern
Dancing stars
Planets
Dancing Planets
What color of a star is the coldest
Blue
Yellow
Red
White
Where did the energy and matter go after the big bang
It went in a straight line
It went in all directions
It got destroyed
The distance light can travel in a year
Space year
year
light year
What is the Doppler effect
A change in sound frequency caused by motion of the sound source, motion of the listener, or both.
The theory that everything was once in a single point that resulted on a sudden expansion.
The actual brightness of a star
What is red shift
When the light of a star is getting stretched out because its moving away.
All of the frequencies or wavelengths of electromagnetic radiation
When the light of a star is getting squeezed because its moving towards us
what is blue shift
When the light of a star is getting stretched out because its moving away.
All of the frequencies or wavelengths of electromagnetic radiation
When the light of a star is getting squeezed because its moving towards us
What is apparent Magnitude
the brightness of a star as seen from Earth
The actual brightness of a star
What is absolute magnitude?
the brightness of a star as seen from Earth
The actual brightness of a star
