5
Iapetus is a moon of
Uranus
Saturn 
Jupiter
Neptune
2
Iapetus has a very
Active volcano
High mountain
Bright and dark side
Dense core
3
The bright side if Iapetus is made up of
White paint
Milk
Cardboard
Ice
4
The dark side of Iapetus reflects only
60% of the light
2% of the light
15% of the light
4% of the light
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The dark side of Iapetus is probably dark because
It is always night there
It sweeps up dust
The sun cannot reach it
There are no lights there
2