Skim and Scan
Have students turn to the contents page. Tell them that a contents page shows where they might find information on a particular subject within the book.
Ask: In what chapter might you find information on The Earth's Fragile Crust?
Ask: What page does that chapter start on? 

Have students find the word mantle on page 5.
Explain to them that the meaning of this word is in the glossary at the back. 

Ask: Where might we find the meaning of this word?
Have students find the glossary by looking up the page number in the contents page.
Have them find the word and read the meaning from the glossary.
Have students read through the rest of the words and meanings in the glossary.
Ask: Are there any words here you are unsure of?
Discuss any words students bring up.

Introducing the Book
Before handing out the book, introduce it by showing the front cover.
Ask: What does this tell you about the book?
Turn the book over to the back cover.
Ask: What other information does this give us about the book?
Add any new information to the chart made during Eliciting Prior Knowledge.