4th,Gr4,Unit5,vocabulary,ppt,powerpoints,treasures,treasures reading,by JanisDavis

1. Exploring the Undersea Territory Unit 5 Week 3Vocabulary

2. Period- a length of time Jurassic Period A period is a length of time that is meaningful in the life of a person, in history, or because of its particular characteristics. Colonial Period Roman Period Many of the dinosaurs lived on Earth during the Jurassic period. Woodland Period Medieval Period How might a grammar book define the word period?

3. 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?

4. 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?

5. 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. = 10 How is an estimated total different from one that is calculated?

6. 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?