Chapter 8.1 Review Earth Science

Stars give off gas as part of a nuclear fission reaction in which helium atoms are split into hydrogen atoms.

• True

• False; light

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NGSS.HS-ESS1-1

NGSS.HS-PS1-8

Before a star becomes a black hole, it explodes as a supernova.

• True

• False

Indicate whether the following statement is true or false. 3. Blue stars are hotter than red stars.

• True

• False

Some stars orbit a neighboring star as part of a binary star system.

• True

• False

True or False: Most galaxies are isolated out in space.

• True

• False

True or False: The small number of supernova remnants in the universe supports the Big Bang model.

• True

• False

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NGSS.HS-ESS1-2

When a star’s mass is stabilized, the force of gravity maintains the star’s size.

• True

• False

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NGSS.HS-PS2-4

There is a balance between pressure and gravity in

• white dwarfs.

• main sequence stars.

• neutron stars.

• black holes.

Stars spend the majority of their life in what region of the H-R diagram?

• main sequence region

• white dwarf region

• giant star region

• supergiant star region

What element makes up the greatest percentage of most stars?

• helium

• hydrogen

• oxygen

• carbon

Tags

NGSS.HS-ESS1-1