Transcript Review for Science Test Wednesday, November 12, 2014

Review for Science Test
Wednesday, November 12, 2014
•Topics that will be on this test:
•Heat Transfer
•Wind
•Water Cycle
•Clouds
Notebook Pages Study!
•Page 15 - How is Energy Transferred? Packet
•Page 17 - Distribution of Sun’s Energy
•Page 18 - Feelin’ Breezy
•Page 19 - BrainPOP: Greenhouse Effect
•Page 20 - The Water Cycle
•Page 21 - Journal: Water Cycle Journey
Wind
•What is wind?
•The movement of air caused by
differences in air pressure (temperature).
•The greater the pressure difference, the
faster the wind blows!
•Wind is caused by the uneven heating of
the Earth!
What causes wind?
• Uneven heating of Earth’s surface causes
temperature differences which causes
pressure differences
• ( warm
LOW, cold
HIGH)
The Coriolis Effect
•Is caused by Earth’s rotation.
•Objects are deflected in a curved path.
•Because the Earth is spinning objects do not
move above it in a straight line.
Global and Local Winds
•Global winds that blow from west to east
are called westerlies.
•Narrow belts of fast moving winds above
Earth’s surface that affect weather and
airplane travel are called jet streams.
•Local winds are produced by local
geographic features.
Sea and Land Breezes
Sea Breeze
Land Breeze
Valley
Breezes
and
Mountain
Breezes
Valley Breezes and Mountain
Breezes
•Valley Breezes
•Warm air from the valley moves upslope
•During the day
•Mountain Breezes
•Cool air descends from the mountains
•During the night
Valley Breeze
Mountain Breeze
Heat Transfer
What type of heat transfer is shown?
• Convection - movement of substance due
to difference in density
• Radiation - from the sun
What type of heat transfer is shown?
• Conduction - energy is transferred from one
molecule (or substance) to the next.
What type of heat transfer is shown?
• Radiation - energy is transferred through
electromagnetic waves (infrared). Can go
through space or matter
The Water Cycle!
More Water Cycle: Interactives
•http://www.scholastic.com/teachers/activity/w
ater-cycle-studyjams-activity
•http://oceanservice.noaa.gov/education/pd/oc
eans_weather_climate/media/watercycle.swf
•http://earthguide.ucsd.edu/earthguide/diagra
ms/watercycle/
•http://www.epa.gov/ogwdw/kids/flash/water_
cycle_web3.swf
•http://www.neok12.com/Water-Cycle.htm
Greenhouse Effect
•The greenhouse effect is the process where
the gases in the atmosphere absorb
thermal energy and radiate it back to
earth.
•Global warming is caused by the increase
greenhouse gases being released into the
atmosphere.
Evaporation
•Evaporation is the process of a liquid
changing state to become a gas.
•It is occurs more quickly because of:
•The amount of sun’s energy
•How quickly the wind blows
Clouds
What kind of
weather does a
cumulonimbus
cloud bring or
forecast?
Clouds
• What is a cloud?
• A cloud is a group of water droplets in the air.
• How is a cloud formed?
• When water vapor (gas) in the air cools it condenses. Water will condense
(turn back into a liquid) on a dust particle in the atmosphere.