The Solar System
Science: Year 5 & 6 National Curriculum, topic 4.1.3
The Solar System
There are eight planets in our solar system: four smaller inner planets made of rocks, and four larger outer planets made of gas.

Inner planets
- The four smaller, rocky inner planets are:
- Mercury
- Venus
- Earth
- Mars
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Outer planets
- The four larger outer planets are:
- Jupiter
- Saturn
- Uranus
- Neptune
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Asteroid belt
- There is a large asteroid belt containing millions of rocks in-between the inner and outer planets.
Test yourself on The Solar System
What are the four larger outer planets in the Solar System made of?
What is the name of the collection of millions of rocks that is found between the inner and outer planets?
What are the four smaller, rocky inner planets of our solar system?