Caterpillar|Noun|A small worm-like creature that changes into a butterfly or moth.
Cocoon|Noun|A protective case where some insects go to become adults.
Butterfly|Noun|An insect with two pairs of large wings that are covered with tiny scales, usually brightly coloured.
Leaf|Noun|The green part of a plant or tree that grows from the stem or branch.
Transform|Verb|To change completely in appearance or form.