1. Letters Home from Yosemite
Vocabulary

2. glacier
a great mass of moving ice
That valley was made by a glacier!

3. impressive able to have a strong effect on the mind
The new building was very impressive..

4. naturalist A person who studies living things
Jane Goodall is a naturalist who studies gorillas.

5. preserve to keep from harm protect
Good nutrition helps preserve your health.

6. slopes land that goes up or down at an angle
Jack had fun skiing down the slope.

7. species
A set of related living things that share the same characteristics
Leopards are a species of big cats.

8. wilderness a wild region with few or no people living in it
They enjoyed camping out in the wilderness.