Explaining an Explantion

This week in writing we've been learning how to write explanations. So far we have been writing a short explanation on the Sun. We started writing out an introduction to... well introduce the subject.This is done by using short not completely detailed sentences. We then moved on to choosing 3 things about the sun to write a paragraph on.
Each paragraph should have...

• A heading
• A topic sentence
• 6 to 8 lines about the subject

This is a section of my explanation