Journal #1: In what ways do humans cause pollution?
(BEGIN WORKING IMMEDIATELY AT BELL)
NC NEW STANDARDS: 7.E.1.1 EARTH SYSTEMS, STRUCTURES, & PROCESSES
I CAN:
 Describe the composition and properties of Earth’s atmosphere.
I WILL:
 Identify the structure of the Earth’s atmosphere.
 Graph the composition of the Earth’s atmosphere from a data table.
VOCABULARY STARTER: REVIEW SCIENCE VOCABULARY THINK-TAC-TOE
INTRODUCTION:
http://www.realclearscience.com/video/2013/08/05/saharan_dust_plume_travel
s_across_atlantic.html
http://www.wtsp.com/video/2581096807001/699981316001/Tropics-and-theSaharan-Dust-Layer
READING:
Read pages A2-A5 DUST IN THE AIR
Complete table: Effects of the African Dust
Helpful Effects
Bits of metal: iron nourishes plants
Harmful Effects
Fungi: cause disease in coral, sea fans
Bacteria: cause rapid growth of red
algae, which hurts manatees and other
ocean animals
Read pages A9-A14 CHAPTER 1.1 EARTH’S ATMOSPHERE SUPPORTS LIFE
Complete table: Atmosphere and Weather
Vocabulary Word/Meaning
Details
Atmosphere
How does the atmosphere make life
possible?
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Altitude
What happens to the atmosphere’s
density as altitude increases?
Density
Where is most of the mass of the
Earth’s atmosphere?
Cycle
What are the three cycles that have a
very important effect on the
atmosphere?
Page A11
Materials in the atmosphere: Fill in the circle with the materials that make up the
Earth’s atmosphere ( Nitrogen 78%- Oxygen 21%- Argon, Carbon Dioxide and
other gases 1%)
Why are these gases essential?
Nitrogen:
Oxygen:
Carbon Dioxide:
Water Vapor:
Page A12 –A13
Carbon Cycle
Nitrogen Cycle
Water Cycle
Page A14
Sudden Changes: Dramatic events may cause changes in the atmosphere. When
sudden events occur, it takes time before the atmosphere can restore balance.
Dramatic Event
Volcanic Eruptions
Changes caused
Forest Fires
Dust Storms
Questions: Write in complete sentences.
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Where is the Earth’s atmosphere most dense?
Which 2 gases make up most of the Earth’s atmosphere?
Plants take carbon dioxide from the air as part of which cycle?
How do living things depend on and interact with the atmosphere?
How would the atmosphere in your area change if a disease killed all the
plants?