Meaning: The bark helps to keep the tree safe from things that could hurt it.
Choice of Words: Bark is the hard, outer layer of a tree. Protect means to keep something safe from harm or danger.
Alternative Expressions
The tree's bark shields it from danger.
Meaning: This sentence means the same as the first one, but it uses different words to describe how the bark protects the tree.
Choice of Words:Shields means to protect or defend something from harm. Danger is something that could cause harm or injury.
The bark on the tree keeps it safe from bad things.
Meaning: This sentence is a simpler way to say the same thing as the first two sentences. It uses words that are easier for an 8-year-old to understand.
Choice of Words:Bad things is a general term for anything that could harm or damage the tree.