Unit 5 Week 3

Vocabulary

Exploring the Undersea Territory

Period- a length of time

A period is a length of time that is meaningful in the life of a person, in history, or because of its particular characteristics.

Many of the dinosaurs lived on Earth during the Jurassic period.

How might a grammar book define the word period?

Colonial Period

Medieval Period

Woodland Period

Roman Period

Jurassic Period

Vessels- ships or large boats

Vessels are ships or large boats.

Columbus set out with three vessels to find India.

What are some purposes of vessels?

Valuable- important, or worth a lot of money

Something valuable is of great worth, or is extremely important.

Paintings in a museum are valuable.

What is an antonym of valuable?

Estimated- guessed at

If something is estimated, it is guessed at based on facts or information.

We estimated that building the snow fort would take about three hours.

How is an estimated total different from one that is calculated?

= 10

Documenting- writing down or recording an item or event

When someone is documenting an item or event, he or she is making a record of it.

We are documenting how the bean seeds are growing.

What are different ways of documenting something?