BWS Physics AQA Space - Life Cycle of a Star

All stars begin their life at what stage in the life cycle

• Main Sequence

• Nebula

• Protostar

• Black Dwarf

The life cycles of stars are determined by what quantity?

• Mass (size)

• Colour

• Distance from Earth

• Luminosity (brightness)

Our sun is currently in what star stage?

• Protostar
• Nebula
• Main Sequence
• Red Giant

______ causes dust particles to collpase inwards towards one another in a nebula.

• Nuclear fusion

• Gravitational Attraction

• Hydrogen

• Friction

What stage follows the collapse of the core of a Red Giant

• White Dwarf

• Blue Supergiant

• Red Supergiant

• Black Hole

This is an image of the first stage in the formation of a star, also known as a ....

• Main Sequence

• Planetary Nebula

• Supernova

• Nebula

The stage after the main sequence star:

• red giant

• nebula

• white dwarf

• black dwarf

In which stage will a star be most dense

• Neutron Star

• Main Sequence

• Protostar

• Nebula

After a supernova, if the core is massive enough it can collapse into a...

• Black Hole
• White Dwarf
• Brown Dwarf
• Black Dwarf

What is the heaviest element fused within the cores of the most massive stars

• Helium (He)

• Iron (Fe)

• Carbon (C)

• Plutonium (Pu)