Lesson 28 The Top of the World

Climbing Mount EverestVocabulary

Very top of a mountain

Summit

At the end of the day, the explorers reached the summit of Mt. Everest.

Adjust to a new condition or environment

Acclimate

The kids were acclimated to the cold and played soccer wearing shorts in the snow.

You are used to something because it is a regular part of your life.

Accustomed

He was accustomed to the bumpy ride home, because he had ridden the bus since kindergarten.

Safe and not likely to give way

Secure

The gate was secure after school hours.

Something that is absolutely necessary.

Essential

It is essential to have a pencil when you come to class.

The design is efficient and has no unneeded parts.

Streamlined

The streamlined car zoomed around the track, purring like a kitten.