GCSE Physics P8 Space Revision

What is a nebula?

• A collection of stars and planets
• A cloud of gas and dust
• A type of planet
• A collapsed star

What process powers a main sequence star?

• Nuclear fission
• Nuclear fusion
• Gravitational contraction
• Chemical reactions

Which element is primarily fused in main sequence stars?

• Helium
• Oxygen
• Hydrogen
• Carbon

What stage follows the main sequence for a star like our Sun?

• Supernova
• Red giant
• Black hole
• Neutron star

What will a red giant eventually become?

• Black hole
• White dwarf
• Neutron star
• Protostar

What causes a supernova?

• A white dwarf collapsing
• The fusion of hydrogen
• The sudden collapse of a massive star
• The formation of a black hole

What is left behind after a supernova?

• White dwarf
• Nebula
• Red giant
• Neutron star or black hole

What is a neutron star?

• A star made entirely of helium
• A collapsed core of a massive star
• A forming star
• A star with low mass

What is the defining characteristic of a black hole?

• It has a dense core
• It has strong magnetic fields
• Its gravity prevents even light from escaping
• It contains mostly hydrogen

What is the name of our galaxy?

• Andromeda
• Milky Way
• Whirlpool
• Triangulum