Space Unit - Criterion A revision

Which model of the solar system do we now think is correct?

• Geocentric

• Heliocentric

• Geography

• Helium

Which of these is the correct order of stages for a medium/small star?

• Protostar, Yellow dwarf, Red Giant, Nebula, White dwarf

• Nebula, Protostar, Yellow dwarf, Red Super Giant, Planetary Nebula, Black dwarf

• Nebula, Protostar, Yellow dwarf, Red Giant, Planetary Nebula, White dwarf

• Planetary Nebula, Protostar, Yellow dwarf, Red Giant, Nebula, White dwarf

We have day/night on Earth. On Earth, a day is 24 hours because...

• That's how long it takes to revolve around the moon

• That's how long it takes to rotate around itself

• That's how long it takes to revolve around the Sun

• That's how long it takes to rotate around the Sun

The moon has how many phases?

• 2

• It's not just a phase!

• 6

• 8

How are all the objects held in our Solar System?

• Gravitational pull from the Sun

• Gravitational pull from the Milky Way

• Mutual respect for one another

• Gravitational pull from the Moon

The largest and hottest main sequence (not supergiant/giant) stars are often what colour?

• Yellow

• Red

• White or Blue

• Orange

How long does it take for the Earth to make one revolution?

• 365 days

• 29.5 days

• 24 hours

• 365.25 days

Which is the correct order of phases of the moon?

• Full moon, waxing crescent, first quarter, waxing gibbous, new moon, waning gibbous, last quarter, waning crescent

• New moon, waning crescent, first quarter, waning gibbous, full moon, waxing gibbous, last quarter, waxing crescent

• New moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, last quarter, waning crescent

• New moon, waxing gibbous, first quarter, waxing crescent, full moon, waning crescent, last quarter, waning gibbous

Put these solar system objects in order of size (smallest to largest)

• Planet, Dwarf planet, Asteroid, Meteor, Sun

• Dwarf planet, planet, Asteroid, Sun, Meteor

• Sun, Planet, Asteroid, Meteor, Dwarf planet

• Meteor, Asteroid, Dwarf planet, Planet, Sun

Which statement below is correct about stars.

• Very large stars become black holes at the end of their life

• Medium/small stars become black holes at the end of their life

• Medium/large stars become black holes at the end of their life