Which statements describe properties of stars? Check all that apply.Stars produce energy through nuclear fusion.Stars produce energy through gravity.Stars are massive objects composed of gas.Stars are solid objects that we could stand on.Stars are composed primarily of hydrogen and helium.Stars are composed primarily of liquids such as water.
Supergiant: [___]
The color and temperature of stars are closely related. Which color star is the hottest?
Which statements describe how stars are born? Check all that apply.Stars are born in clouds of gas and dust called nebulas.The gas and dust are pulled together by gravity.If the cloud that is pulled together has enough mass, a red giant is formed.The pulled-together cloud collapses and becomes hot and dense.Heat and pressure cause nuclear fusion, which signals the birth of a star.
This image shows a nebula. What would most likely be found in a nebula?
Which statements describe the death of stars? Check all that apply.A star’s final stages of life depend on its mass.Stars die when they run out of fuel.When a star starts to die, its core expands.The outer portion of the star contracts.All stars become black holes when they die.
When a supergiant explodes, a [___] occurs.
Which elements can be made in the core of a star after the hydrogen is used as fuel? Select four answers.irongoldsiliconcarbonoxygenhydrogen
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