HMH Module 6 Week 1 Vocabulary

A ____ is a long, narrow groove or ditch.

The ____ of a mountain is its top or highest point.

When living things ____, they grow well and are healthy.

Something that is _____ is very old, from a time before history was recorded.

If something is ____, it is needed or very important.

A ____ is a very quick look at something.

If something is ____, it can go or work under water.

If you use something _____, you control it from a distance.

If something is ______, it controls itself.