Stars and Galaxies

Stars and Galaxies

Multiple Select

Name three types of galaxies

• elliptical

• irregular

• circular

• spiral

Multiple Choice

In a star's core, how is energy being produced ?

• gold turns into silver

• oxygen turns into carbon dioxide

• hydrogen turns into helium

• aluminum turns into carbon

Multiple Choice

If a star is large enough, nuclear _____________ will occur and a star will be born

• fission

• fusion

Multiple Choice

What force causes a cloud of dust and gas to come together and form a star ?

• friction

• magnetism

• electromotive

• gravity

Multiple Choice

A contracting cloud of gas and dust that may eventually become a star is called a (an) :

• protostar

• white dwarf

• red giant

• black hole

Multiple Choice

Stars form from huge clouds of gas and dust in space called :

• supernova

• nebula

• the Kuiper Belt

• the Oort Cloud

Multiple Choice

When the largest stars collapse, their gravity becomes so great that not even light can escape. These dead stars are now called

• Red Giants

• White Dwarfs

• Pulsars

• Black Holes

Multiple Choice

The extremely small remains of a collapsed Super Red Giant so dense that a teaspoon of material can weigh up to 1 billion tons is called a (an)

• White Dwarf

• Black Dwarf

• Neutron Star

• Quasar

Multiple Choice

When a Red Super Giant star runs out of fuel , it will collapse so hard that an explosion known as a _________________ will occur.

• Pyrotechnic Display

• Aurora

• Supernova

• Quasar

Multiple Choice

When our sun finally runs out of fuel, gravity will cause it to collapse and form a ____________________ star.

• Red Giant

• White Dwarf

• Neutron

• Black Hole

Multiple Choice

When all the fuel in a star's core is used up, fusion outside the core will cause it to expand and become a ___________________ star.

• Red Giant

• White Dwarf

• Purple Meany

• Black Hole

Multiple Choice

A star will reach it's Old Age Stage when all the _______________ in it's core is used up as fuel

• hydrogen

• helium

• carbon

• uranium