WorksheetsLife and Death of a Star
Total questions: 19
Worksheet time: 10mins
Which star color indicates the hottest temperature?
Red
Blue
White
Yellow
How does a star form from a nebula?
quickly
gravity pulls gas and dust together
the nebula spreads out and glows
hydrogen atoms fuse to make helium
How is a proto-star different from a star?
hydrogen atoms do not fuse together in a proto-star
it's smaller
it's more dense
hydrogen atoms do not fuse together in a star.
What factor determines how long a star lives?
genetics
whether on not it smokes
how large its mass is
how heavy it is
if a star is 2x as massive as the sun, will its lifespan be longer, shorter or the same as the sun?
longer
shorter
the same
more information is needed to answer the question
Name 3 characteristics used to classify stars.
size, shape and distance from the sun.
size, color and age of the star
size, color and temperature
size color and brightness
What is a light year?
The distance light can travel in one year.
9.5 million, million km.
A year with 364 days.
Both answers 1 and 2.
Before the Big Bang, where was all the matter and energy contained?
Inside the sun
In a single point
It was invisible
Under a rock
Most stars are made of which gases?
Hydrogen only
Hydrogen and Lithium
Hydrogen and Sodium
Hydrogen and Helium
