Outline for Chapter 1

Planet Earth

Planet of Life

A. Describe earth’s position in the solar system?

B. What is an organism?

C. What do we call the three area of the planet on which organisms can be found?

D. Why is the Earth able to support life?

E. Define ecology.

Earth’s Land and Water

A. How thick is the lithosphere?

B. Describe the three types of rocks that make up the lithosphere.

1. Igneous

2. Sedimentary

3. Metamorphic

C. Why is the earth called the water planet?

1. Describe the composition of salt water.

2.What are the two types of freshwater?

D. What is an aquifer?

1. What problem do we face when we pump out water from aquifers?

The Atmosphere

F. What are the four layers of the atmosphere?

Describe the troposphere

Describe the stratosphere

Describe the mesosphere

Describe the thermosphere

G. Describe the composition of the atmosphere.

H. What is the ionosphere?

The Biosphere

What is meant by the biosphere?

Where are most living organisms found?

Why are all three layers important to living organisms, regardless of where they are found?

How do living things affect the environment

Key Vocabulary

Lithosphere

Hydrosphere

 

Atmosphere

ecology

 

Metamorphic

aquifer