Meaning: Birds have feathers that help them fly and stay warm.
Choice of Words: Feathers are the light and fluffy coverings on a bird's body. They help the bird stay warm and dry. They also help the bird glide through the air smoothly.
Alternative Expressions
Feathers help birds glide smoothly.
Meaning: This sentence means that feathers help birds fly smoothly through the air without having to flap their wings a lot.
Choice of Words: Feathers are the soft, fluffy things that cover a bird's body. Glide means to move through the air without flapping your wings. Smoothly means to move in a way that is easy and not bumpy.
Feathers are like little wings that help birds fly.
Meaning: This sentence means that feathers are like small wings that help birds fly.
Choice of Words: Little means small. Wings are what birds use to fly. Fly means to move through the air using your wings.
Feathers make birds fly like airplanes.
Meaning: This sentence means that feathers help birds fly like airplanes by causing them to move through the air using their wings.
Choice of Words: Airplanes are machines that fly through the air. Make means to cause something to happen. Fly means to move through the air using your wings.