Year 10 ACARA Earth Science Revision

Front

The only force acting on the nebulae is ________. Options: thermal, singular, gravity, microscopic

Back

gravity

Front

A star is born when ________________ begins to happen.

Back

nuclear fusion

Front

The core of a Red Giant collapses and becomes a _________________. Options: White Dwarf, Blue Supergiant, Red Supergiant, Black Hole

Back

White Dwarf

Front

After a supernova, the core can collapse into a neutron star, or if massive enough even a ___________. Options: Black Hole, White Dwarf, Brown Dwarf, Black Dwarf

Back

Black Hole

Front

A black hole is an object so dense with so much gravity that even ________ cannot escape.

Back

light

Front

a gigantic explosion that causes the death of a large star

Back

supernova

Front

The color of a star depends on its: size, temperature, shape, magnitude

Back

temperature

Front

What color are the hottest stars?

Back

blue

Front

As our sun continues through its life cycle, it will _________. Options: gradually get smaller and smaller until it dies out., Gradually get larger until its outer layers drift off., become denser and denser until it forms a black hole., become hotter and hotter until it becomes a blue hypergiant.

Back

Gradually get larger until its outer layers drift off.

Front

All stars in the main sequence stage are fusing ________ into ________ in their cores.

Back

hydrogen into helium