P16 Space

• Physics
• Upper Secondary (Key Stage 4)
• GCSE

Space P16

How many planets are there in our Solar System?

1. 7
2. 8
3. 9
4. 10

State the planets in the Solar System in order from closest to furthest from the Sun. (1)

Comets are made out of:

1. Rock and ice
2. Dust and rock
3. Dust and ice
4. Dust and gas

Explain how the bright tail of a comet is formed as it orbits the Sun. (3)

Explain how the Sun was formed from a nebula. (4)

State the name of the process that occurs in the Sun.

State the name of the element that is formed when hydrogen atoms fuse together. (1)

Elements heavier than iron are formed in:

1. Supernovae
2. Protostars
3. Stellar nebula
4. Planetary nebula

A cloud of dust and gas is called a:

1. Supernova
2. Nebula
3. Comet
4. Protostar

What two things are released when a star explodes? (2)

What comes first in the life-cycle of a star like our Sun?

1. Black dwarf
2. White dwarf

What comes first in the life-cycle of a star like our Sun?

1. Stellar nebula
2. Planetary nebula

What comes first in the life-cycle of a star like our Sun?

1. Stellar nebula
2. Protostar

What comes first in the life-cycle of a star like our Sun?

1. Planetary nebula
2. Red giant

What is the correct order for the life-cycle of a star?

1. Protostar, main sequence star, red giant, black dwarf, white dwarf
2. Protostar, stellar nebula, main sequence star, red giant, white dwarf, black dwarf
3. Protostar, planetary nebula, main sequence star, red giant, white dwarf, black dwarf
4. Protostar, main sequence star, red giant, white dwarf, black dwarf

In a main sequence star, which two forces are in equilibrium?

1. Gravity and electrostatic force
2. Inertia and pressure
3. Tension and pressure
4. Gravity and pressure

What happens when the temperature of a star decreases? (3)

What is the last stage in the life-cycle of a star similar in size to our Sun?

1. Black hole
2. Black dwarf

What are the final stages in the life-cycle of a star much larger than our Sun?

1. Red giant, supernova, black dwarf
2. Neutron star, supernova black hole
3. Red giant, supernova, black hole
4. Neutron star, supernova, black dwarf

Centripetal force acts

1. Perpendicular to the centre
2. In the direction of motion
3. Towards the centre

What is the centripetal force that keeps satellites in orbit?

State two things that affect the speed of a satellite.

GPS satellites are in a

1. Geostationary orbit
2. Polar orbit

Satellites for mapping biodiversity are in a

1. Geostationary orbit
2. Polar orbit

As a wave source moves away from you it is

1. Blue shifted
2. Red shifted

As a wave source moves away from you its

1. Wavelength increases, frequency increases
2. Wavelength increases, frequency decreases
3. Wavelength increases, frequency stays the same
4. Wavelength decreases, frequency increases

Galaxies further away are moving

1. Slower
2. Faster

Explain how Hubble's observation of red shift supports the Big Bang theory. (4)

High-energy gamma radiation was released in the Big Bang. As the universe has expanded, the radiation has been stretched. What is this called?