PHS Edexcel sP7a_Solar System

A small lump of dirty ice orbiting the Sun?

• comet

• asteroid

• dwarf planet

• satellite

A small lump of rock orbiting the Sun?

• comet

• asteroid

• dwarf planet

• satellite

A huge ball of gas that radiates energy?

• comet

• asteroid

• dwarf planet

• star

A large body in space that orbits a star?

• planet

• moon

• dwarf planet

• Sun

Anything that orbits a planet and has not been made by humans?

• asteroid

• natural satellite

• dwarf planet

• comet

A rocky body that is not quite big enough to be called a planet?

• asteroid

• moon

• dwarf planet

• comet

Which of these is the correct order, in terms of distance from the Sun?

• Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

• Mercury, Venus, Mars, Earth, Jupiter, Saturn, Uranus, Neptune

• Jupiter, Saturn, Uranus, Neptune, Mercury, Venus, Earth, Mars

• Mercury, Mars, Earth, Mars, Saturn, Jupiter, Uranus, Neptune

You can use a mnemonic to help you remember the order of the planets. Which are the four outer gas planets?

• Neptune

• Saturn

• Jupiter

• Uranus

• Earth

What name is given to the Sun and all of the objects that orbit the Sun?

• the solar system

• the Milky Way

• Andromeda

What is at the middle of a Geocentric system?

• Sun

• Neptune

• Earth

• The Universe