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The centre of a star is called the _____.
Core
When atoms are fused together, ______ is released in the form of heat and light.
Energy
Where do the atoms that make up our world and everything in it come from?
Stars and the big bang
65% of our bodies are made of _______.
Oxygen
Silicon burning makes many heavy elements including ______ that makes up our bones.
Calcium
Nitrogen, Oxygen, and _______ are created during the Helium burning process.
Carbon
90% of stars in the universe are ____________ stars.
Main sequence
What do we call the creation of heavy elements in stars?
Stellar Nucleosynthesis
Which 2 elements were created during the big bang?
Hydrogen and Helium
What word means the creation of atoms?
Nucleosynthesis
What force pulls matter together to create stars and planets?
Gravity
What do stars form from?
Molecular clouds
Once average stars have finished burning hydrogen, they get bigger and turn into ______.
Red supergiant stars
How do massive stars die?
A giant explosion called a supernova
What do we call a baby star?
A protostar
Which stars create heavier elements like calcium and iron?
Massive stars
What is the longest stage of a stars life?
the main sequence
What is a star?
A giant, glowing, ball of gas in space
What is the largest star ever discovered?
UY Scuti
When hydrogen is fused together in stars, what does it become?
Helium
What was the first element in the universe?
Hydrogen


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