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Letters Home

Vocabulary Words

impressive able to impress the mind, feelings, conscience
naturalist person who studies living things
preserve keep from harm or change; protect
slopes land that goes up or down at an angle
species set of related living things that share certain characteristics and that can interbreed
wilderness wild region with few or no people living in it
glacier great mass of ice that moves very slowly down a mountain or along a valey
altitudes heights above Earth's surface
formations things that are formed
reservoir place where water is collected and stored for use
earthquake shaking of Earth's surface caused by the sudden breaking of masses of rock along a fault
eruptions processes of throwing forth
volcano opening in Earth's crust through which steam, ashes, and lava are forced out in periods of activity
Created by: lewisf