Let’s get to know the West!
This worksheet includes 21 pages with a wide range of activities and exercises about the West. The materials have informative exercises about the things that this region is famous for, such as its national parks, the Rocky Mountains, natural disasters, Los Angeles, and many other things! Crosswords, word searches, puzzles and other kinds of activities are included to make it a fun and interesting class.
The answers and an answer sheet are included.
GOOGLE SLIDES WITH PREMADE TEXTBOXES INCLUDED!
Overview:
Page 1-2: Introduction of the Five Regions
Page 3-5: Introduction of the West
Page 5-7: Geography
Page 8-9: Wildlife
Page 10-11: Climate and Natural Disasters
Page 12-13: History
Page 14-15: Natural Resources
Page 16-17: States and Capitals
Page 18-19: Attractions
Page 20-21: Reflection Activities
BONUS:
Animals Word Search
Geography Map Quiz
The following states are addressed in this unit:
Alaska, California, Colorado, Hawaii, Idaho, Montana, Nevada, Oregon, Utah, Washington, Wyoming
Keywords:
U.S., US, USA, West, Regions, States, Capitals, Geography, Climate, Los Angeles, San Francisco, Seattle, California, Alaska, Hawaii, Rocky Mountains, Coastal Ranges, Sierra Nevada, Great Basin, Great Salt Lake, Mojave Desert, Mt. McKinley, Earthquakes, Yellowstone National Park, Yosemite National Park, Sequoia Trees, Las Vegas.
Let’s get to know the Southwest!
This worksheet includes 20 pages with a wide range of activities and exercises about the Southwest. The materials have informative exercises about the things that this region is famous for, such as the Sonoran Desert, Saguaro, tribal lands, Texas Longhorn, Phoenix, Taos Pueblo, oil, the Grand Canyon, tornadoes, ranches, and many other things! Crosswords, word searches, puzzles and other kinds of activities are included to make it a fun and interesting class.
The answers and an answer sheet are included.
GOOGLE SLIDES WITH PREMADE TEXTBOXES INCLUDED!
Overview:
Page 1-2: Introduction of the Five Regions
Page 3-5: Introduction of the Southwest
Page 5-6: Geography
Page 7-8: Climate and Natural Disasters
Page 9-10: Wildlife
Page 11-12: History
Page 13-14: States and Capitals
Page 15-16: Natural Resources
Page 17-18: Attractions
Page 19-20: Reflection Activities
BONUS:
Geography Map Quiz
The following states are addressed in this unit:
Arizona, New Mexico, Oklahoma, and Texas.
Keywords:
U.S., US, USA, Southwest, Regions, States, Capitals, Geography, Climate, Houston, Phoenix, Texas, Colorado River, Grand Canyon, Rio Grande River, Drought, Sonoran Desert, Hoover Dam, Monument Valley, desert, Native Americans, climate.
Let’s get to know the Southeast!
This worksheet includes 21 pages with a wide range of activities and exercises about the Southeast. The materials have informative exercises about the things that this region is famous for, such as the Appalachian Mountains, the Dixie, the Confederacy, the Mississippi River, theme parks, the Everglades, New Orleans, and many other things! Crosswords, word searches, puzzles and other kinds of activities are included to make it a fun and interesting class.
The answers and an answer sheet are included.
GOOGLE SLIDES WITH PREMADE TEXTBOXES INCLUDED!
Overview:
Page 1-2: Introduction of the Five Regions
Page 3-5: Introduction of the Southeast
Page 5-6: Geography
Page 7-8: Climate and Natural Disasters
Page 9-10: Wildlife
Page 11-13: History
Page 14-15: States and Capitals
Page 16-17: Natural Resources
Page 18-19: Attractions
Page 20-21: Reflection Activities
BONUS:
Geography Map Quiz
The following states are addressed in this unit:
Alabama, Arkansas, Florida, Georgia, Kentucky, Louisiana, Mississippi, North Carolina, South Carolina, Tennessee, Virginia, and West Virginia
Keywords:
U.S., US, USA, Southeast, Regions, States, Capitals, Geography, Climate, Miami, Atlanta, Dixie, Coastal Plains, Waterfalls, Mississippi River, Everglades, Hurricane, South Beach, Walt Disney World, the Bible Belt, wetlands.
Let’s get to know the Northeast!
This worksheet includes 20 pages with a wide range of activities and exercises about the Northeast. The materials have informative exercises about the things that this region is famous for, such as the Thirteen Colonies, Washington D.C., New York City, The Appalachian Mountains, New England, Nor’easters, the Freedom Trail, and many other things! Crosswords, word searches, puzzles and other kinds of activities are included to make it a fun and interesting class.
The answers and an answer sheet are included.
GOOGLE SLIDES WITH PREMADE TEXTBOXES INCLUDED!
Overview:
Page 1-2: Introduction of the Five Regions
Page 3-5: Introduction of the Northeast
Page 5-6: Geography
Page 7-8: Wildlife
Page 9-10: Climate and Natural Disasters
Page 11-12: History
Page 13-14: Natural Resources
Page 15-16: States and Capitals
Page 17-18: Attractions
Page 19-20: Reflection Activities
The following states and district are addressed in this unit:
Maine, New Hampshire, Vermont, Massachusetts, Rhode Island, Connecticut, Delaware, Maryland, New Jersey, New York, and Pennsylvania and the District of Columbia.
Keywords:
U.S., US, USA, Northeast, Regions, States, Capitals, Geography, Climate, New York, Washington DC, Lighthouses, Mid-Atlantic States, New England, Appalachian Mountains, Atlantic Plain, Acadia National Park, Nor’easter, Freedom Trail, Niagara Waterfalls, independence, First Continental Congress.
Let’s get to know the Midwest!
This worksheet includes 20 pages with a wide range of activities and exercises about the Midwest. The materials have informative exercises about the things that this region is famous for, such as the Corn Belt, the Wheat Belt, the automotive industry, the Great Plains, bison, Chicago, the Great Lakes, and many other things! Crosswords, word searches, puzzles and other kinds of activities are included to make it a fun and interesting class.
The answers and an answer sheet are included.
GOOGLE SLIDES WITH PREMADE TEXTBOXES INCLUDED!
Overview:
Page 1-2: Introduction of the Five Regions
Page 3-5: Introduction of the Midwest
Page 5-6: Geography
Page 7-8: Wildlife
Page 9-10: Climate and Natural Disasters
Page 11-12: History
Page 13-14: Natural Resources
Page 15-16: States and Capitals
Page 17-18: Attractions
Page 19-20: Reflection Activities
BONUS:
Economy of the Midwest
The following states are addressed in this unit:
Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota, Missouri, Nebraska, North Dakota, Ohio, South Dakota, and Wisconsin.
Keywords:
U.S., US, USA, Midwest, Regions, States, Capitals, Geography, Climate, Chicago, Detroit, Great Plains, Great Lakes, Mississippi River, Bison, Tornado, Mount Rushmore, Gateway Arch, Corn Belt, Wheat Belt, Dairy Belt.
Let’s learn about Oceans!
This worksheet includes 18 pages with a great variety of activities and exercises about our Oceans. Word searches, Cross words, puzzles and other kinds of activities are included to make it a fun and interesting class.
Overview:
Page 1-2: Introduction to Oceans
Page 3-4: Atlantic Ocean
Page 5-6: Indian Ocean
Page 7-8: Arctic Ocean
Page 9-10: Pacific Ocean
Page 11-12: Southern Ocean
Page 13-14: Natural Wonders
Page 15-17: Reflection
Page 18: Sea Animals Puzzle
The answers and an answer sheet are included.
You might also like these worksheets:
Oceans
Nature
Continents
Tsunamis
Natural Disasters
Keywords:
Continents, Atlantic Ocean, Indian Ocean, Arctic Ocean, Pacific Ocean, Southern Ocean, Climate, Global warming.
Let’s learn about Oceans!
This worksheet includes 21 pages with a wide variety of activities and exercises about the oceans. The materials have informative exercises about the things that are related to the oceans, such as the Great Pacific Garbage Patch, tides, the rising sea level, tsunamis, whales, over-fishing and many other things! Crosswords, word searches, puzzles and other kinds of activities are included to make it a fun and interesting class.
GOOGLE SLIDES WITH PREMADE TEXTBOXES INCLUDED!
Overview:
Page 1-2: Introduction
Page 3: Tides
Page 4: Oceans and climate
Page 5-6: Rising sea level
Page 7-8: Great Pacific Garbage Patch
Page 9-10: Overfishing
Page 11-12: Tsunamis
Page 13-16: Whales & Sharks
Page 17-18: Strange Sea Creatures
Page 19-20: Great Barrier Reef
Page 21: Reflection
The answers and an answer sheet are included.
You can save money by purchasing the Geography Bundle!
Geography Bundle (Nature, Oceans and Natural Disasters)
You might also like these worksheets:
Oceans (fun stuff)
Nature
Continents
Tsunamis
Natural Disasters
Keywords:
Pacific Ocean, Atlantic Ocean, Indian Ocean, Arctic Ocean, Southern Ocean, continents, Ocean tides, Moon, CO2, Rising sea level, Conveyor belt, Coral reef, Sea animals, Tsunami, Sharks, Whales, Over-fishing.
Let’s get to know North Korea!
This worksheet includes 23 pages with a great variety of activities and exercises about North Korea. The materials have informative exercises about the things that North Korea is famous for, such as the Kim Dynasty, Nuclear Missiles, the DMZ, the Mass games, the Korean War and many other things! Crosswords, word searches, puzzles and other kinds of activities are included to make it a fun and interesting class.
GOOGLE SLIDES AND FILLABLE PDF VERSIONS INCLUDED!
Overview:
Page 1-2: Introduction
Page 3-4: Geography
Page 5-6: History
Page 7-8: The Korean War
Page 9-10: The Kim Dynasty
Page 11-12: Nuclear Weapons Program
Page 13: Culture
Page 14-15: Everyday Life
Page 16: Mass Games
Page 17-18: Interesting Facts
Page 19-20: Attractions
Page 21: Your Opinion
Page 22-23: Reflection
The answers and an answer sheet are included.
Keywords:
Country study, Nuclear missiles, Military Parade, May Day Stadium, Kim Il Sung, Propaganda, Demilitarized Zone, DMZ, Kim Jong Il, Mass Games, Starvation, Kim Jong Un, Kim Jong Il, Pyongyang, Dictator, Korean War, South Korea, 38th parallel, Communism, Communist, Great Leader, Dear Leader, Totalitarian, Isolated, no prep.
Let’s learn about Nature!
This worksheet includes a wide variety of activities and exercises about nature. The materials have informative exercises about aspects that are related to nature, such as climates, weather, global warming, ecosystems, natural disasters, natural wonders and many other things! Crosswords, word searches, puzzles and other kinds of activities are included to make it a fun and interesting class.
GOOGLE SLIDES WITH PREMADE TEXTBOXES INCLUDED!
Overview:
Page 1-3: Climates
Page 4: Oceans & Climate
Page 5-6: Weather
Page 7-8: Global Warming
Page 9-10: Ecosystems
Page 11-15: Natural Disasters
Page 16-18: Natural Wonders
Page 19-20: The Great Barrier Reef
Page 21-22: The Amazon
Page 23: Reflection
The answers and an answer sheet are included.
You might also like these worksheets:
Natural Disasters
Wonders of the World
Bundle (Nature, Oceans and Natural Disasters)
Keywords:
Nature, climate, tropical, cold, dry, mild, temperate, polar, coral reef, weather, water cycle, wind, precipitation, global warming, greenhouse effect, oceans, natural disasters, tornado, earthquake, landslide, flood, volcanic eruption, tsunami, avalanche, wildfire, hurricane, typhoon, cyclone, natural wonders, Grand Canyon, Victoria Falls, Mount Everest, Northern Lights, Niagara Falls, Great Barrier Reef, Amazon, rain forest.
Let’s get to know Cuba!
This worksheet includes 22 pages with a great variety of activities and exercises about Cuba. The materials have informative exercises about the things that Cuba is famous for, such as the Cuban Revolution, Fidel Castro, Che Guevara, the trade embargo, and many other things! Crosswords, word searches, puzzles and other kinds of activities are included to make it a fun and interesting class.
Overview:
Page 1-2: Introduction
Page 3-4: Geography
Page 5-6: History
Page 7-8: Cuban Revolution
Page 9: Che Guevara
Page 10: Missile Crisis
Page 11: Trade Embargo
Page 12-14: Culture
Page 15: Religion
Page 16-17: Everyday Life
Page 18: Guantanamo Bay
Page 19-20: Attractions
Page 21-22: Reflection
The answers and an answer sheet are included.
EXTRA:
Fidel Castro
Keywords:
Country study, Cuba, Havana, Fidel Castro, Che Guevara, Spanish, Cuban Revolution, Communism, Guantanamo Bay, Missile Crisis, Trade Embargo.
Let’s learn about Computers!
This worksheet includes 20 pages with a large variety of activities and exercises about computers. The materials have informative exercises about many different computer related topics such as computer games, viruses, cyber-crime, hardware components, supercomputers and many other things! Crosswords, word searches, puzzles and other kinds of activities are included to make it a fun and interesting class.
GOOGLE SLIDES WITH PREMADE TEXTBOXES INCLUDED!
Overview:
Page 1-3: Computers (puzzles and exercises)
Page 4: History of computers
Page 5: Pioneers
Page 6-7: Hardware components
Page 8: Games Consoles
Page 9-10: Viruses
Page 11-12: Cyberbullying
Page 13-14: Cyber-crime
Page 15: Computer Brands
Page 16-17: Supercomputers
Page 18-19: Common Terms
Page 20: Reflection
**Extra: **Puzzles in various levels
The answers and an answer sheet are included.
The following questions are a few of the topics handled in this worksheet:
What is the difference between hardware and software?
What is a computer virus?
What is cyber-crime?
What are the functions of hardware components?
How can I protect my computer?
You might also like these worksheets:
Internet (FREE!)
Facebook
Keywords:
e-mail, computers, PC, desktop, laptop, gadget, wi-fi, processor (CPU), apple, virus, software, hardware, download, operating system, programmer, RAM, motherboard, Tetris, World of Warcraft, cyber-crime, hacker, google, facebook, USB, Bill Gates, Steve Job, Charles Babbage.
Let’s learn about Oceans!
This worksheet includes 18 pages with a great variety of activities and exercises about our Oceans. Word searches, Cross words, puzzles and other kinds of activities are included to make it a fun and interesting class.
Overview:
Page 1-2: Introduction to Oceans
Page 3-4: Atlantic Ocean
Page 5-6: Indian Ocean
Page 7-8: Arctic Ocean
Page 9-10: Pacific Ocean
Page 11-12: Southern Ocean
Page 13-14: Natural Wonders
Page 15-17: Reflection
Page 18: Sea Animals Puzzle
The answers and an answer sheet are included.
You might also like these worksheets:
Oceans
Nature
Continents
Tsunamis
Natural Disasters
Keywords:
Continents, Atlantic Ocean, Indian Ocean, Arctic Ocean, Pacific Ocean, Southern Ocean, Climate, Global warming.
Let’s learn about Oceans!
This worksheet includes 21 pages with a wide variety of activities and exercises about the oceans. The materials have informative exercises about the things that are related to the oceans, such as the Great Pacific Garbage Patch, tides, the rising sea level, tsunamis, whales, over-fishing and many other things! Crosswords, word searches, puzzles and other kinds of activities are included to make it a fun and interesting class.
GOOGLE SLIDES WITH PREMADE TEXTBOXES INCLUDED!
Overview:
Page 1-2: Introduction
Page 3: Tides
Page 4: Oceans and climate
Page 5-6: Rising sea level
Page 7-8: Great Pacific Garbage Patch
Page 9-10: Overfishing
Page 11-12: Tsunamis
Page 13-16: Whales & Sharks
Page 17-18: Strange Sea Creatures
Page 19-20: Great Barrier Reef
Page 21: Reflection
The answers and an answer sheet are included.
You can save money by purchasing the Geography Bundle!
Geography Bundle (Nature, Oceans and Natural Disasters)
You might also like these worksheets:
Oceans (fun stuff)
Nature
Continents
Tsunamis
Natural Disasters
Keywords:
Pacific Ocean, Atlantic Ocean, Indian Ocean, Arctic Ocean, Southern Ocean, continents, Ocean tides, Moon, CO2, Rising sea level, Conveyor belt, Coral reef, Sea animals, Tsunami, Sharks, Whales, Over-fishing.
Let’s get to know North Korea!
This worksheet includes 23 pages with a great variety of activities and exercises about North Korea. The materials have informative exercises about the things that North Korea is famous for, such as the Kim Dynasty, Nuclear Missiles, the DMZ, the Mass games, the Korean War and many other things! Crosswords, word searches, puzzles and other kinds of activities are included to make it a fun and interesting class.
GOOGLE SLIDES AND FILLABLE PDF VERSIONS INCLUDED!
Overview:
Page 1-2: Introduction
Page 3-4: Geography
Page 5-6: History
Page 7-8: The Korean War
Page 9-10: The Kim Dynasty
Page 11-12: Nuclear Weapons Program
Page 13: Culture
Page 14-15: Everyday Life
Page 16: Mass Games
Page 17-18: Interesting Facts
Page 19-20: Attractions
Page 21: Your Opinion
Page 22-23: Reflection
The answers and an answer sheet are included.
Key words:
Country study, Nuclear missiles, Military Parade, May Day Stadium, Kim Il Sung, Propaganda, Demilitarized Zone, DMZ, Kim Jong Il, Mass Games, Starvation, Kim Jong Un, Kim Jong Il, Pyongyang, Dictator, Korean War, South Korea, 38th parallel, Communism, Communist, Great Leader, Dear Leader, Totalitarian, Isolated, no prep.
Let’s learn about Nature!
This worksheet includes a wide variety of activities and exercises about nature. The materials have informative exercises about aspects that are related to nature, such as climates, weather, global warming, ecosystems, natural disasters, natural wonders and many other things! Crosswords, word searches, puzzles and other kinds of activities are included to make it a fun and interesting class.
GOOGLE SLIDES WITH PREMADE TEXTBOXES INCLUDED!
Overview:
Page 1-3: Climates
Page 4: Oceans & Climate
Page 5-6: Weather
Page 7-8: Global Warming
Page 9-10: Ecosystems
Page 11-15: Natural Disasters
Page 16-18: Natural Wonders
Page 19-20: The Great Barrier Reef
Page 21-22: The Amazon
Page 23: Reflection
The answers and an answer sheet are included.
You might also like these worksheets:
Natural Disasters
Wonders of the World
Bundle (Nature, Oceans and Natural Disasters)
Keywords:
Nature, climate, tropical, cold, dry, mild, temperate, polar, coral reef, weather, water cycle, wind, precipitation, global warming, greenhouse effect, oceans, natural disasters, tornado, earthquake, landslide, flood, volcanic eruption, tsunami, avalanche, wildfire, hurricane, typhoon, cyclone, natural wonders, Grand Canyon, Victoria Falls, Mount Everest, Northern Lights, Niagara Falls, Great Barrier Reef, Amazon, rain forest.
Let’s get to know Cuba!
This worksheet includes 22 pages with a great variety of activities and exercises about Cuba. The materials have informative exercises about the things that Cuba is famous for, such as the Cuban Revolution, Fidel Castro, Che Guevara, the trade embargo, and many other things! Crosswords, word searches, puzzles and other kinds of activities are included to make it a fun and interesting class.
Overview:
Page 1-2: Introduction
Page 3-4: Geography
Page 5-6: History
Page 7-8: Cuban Revolution
Page 9: Che Guevara
Page 10: Missile Crisis
Page 11: Trade Embargo
Page 12-14: Culture
Page 15: Religion
Page 16-17: Everyday Life
Page 18: Guantanamo Bay
Page 19-20: Attractions
Page 21-22: Reflection
The answers and an answer sheet are included.
EXTRA:
Fidel Castro
Keywords:
Country study, Cuba, Havana, Fidel Castro, Che Guevara, Spanish, Cuban Revolution, Communism, Guantanamo Bay, Missile Crisis, Trade Embargo.
Let’s learn about Computers!
This worksheet includes 20 pages with a large variety of activities and exercises about computers. The materials have informative exercises about many different computer related topics such as computer games, viruses, cyber-crime, hardware components, supercomputers and many other things! Crosswords, word searches, puzzles and other kinds of activities are included to make it a fun and interesting class.
GOOGLE SLIDES WITH PREMADE TEXTBOXES INCLUDED!
Overview:
Page 1-3: Computers (puzzles and exercises)
Page 4: History of computers
Page 5: Pioneers
Page 6-7: Hardware components
Page 8: Games Consoles
Page 9-10: Viruses
Page 11-12: Cyberbullying
Page 13-14: Cyber-crime
Page 15: Computer Brands
Page 16-17: Supercomputers
Page 18-19: Common Terms
Page 20: Reflection
**Extra: **Puzzles in various levels
The answers and an answer sheet are included.
The following questions are a few of the topics handled in this worksheet:
What is the difference between hardware and software?
What is a computer virus?
What is cyber-crime?
What are the functions of hardware components?
How can I protect my computer?
You might also like these worksheets:
Internet (FREE!)
Facebook
Keywords:
e-mail, computers, PC, desktop, laptop, gadget, wi-fi, processor (CPU), apple, virus, software, hardware, download, operating system, programmer, RAM, motherboard, Tetris, World of Warcraft, cyber-crime, hacker, google, facebook, USB, Bill Gates, Steve Job, Charles Babbage.
Let’s get to know the United States!
This worksheet includes 25 pages with a wide variety of activities and exercises about the United States. The materials include informative exercises about the things that the US is famous for, such as the Rocky Mountains, bison, Native Americans, the Civil War, George Washington, the Golden Gate Bridge, and many other things! Crosswords, word searches, puzzles and other kinds of activities are included to make it a fun and interesting class. The answers and an answer sheet are included.
GOOGLE SLIDES WITH PREMADE TEXTBOXES INCLUDED!
Overview:
Page 1-2: Introduction
Page 3-5: Geography
Page 6-7: States and Capitals
Page 8-10: Nature and Wildlife
Page 11-13: History
Page 14-15: Native Americans
Page 16-18: Culture
Page 19-20: Government
Page 21-23: Attractions
Page 24-25: Reflection
Keywords:
Country study, printable, Google Slides, worksheet, United States, US, U.S., Native Americans, Apache, Sioux, Cherokee, Rocky Mountains, Appalachian Mountains, Great Plains, government, president, Congress, Christopher Columbus, Abraham Lincoln, culture, food, clothing, westward expansion, civil war, thirteen colonies.
Let’s get to know Mexico!
This worksheet includes 20 pages with a great variety of activities and exercises about Mexico. The materials have informative exercises about the things that Mexico is famous for, such as Chichen Itza, Lucha Libre, the Mayans, the Aztecs, food, and many other things! Crosswords, word searches, puzzles and other kinds of activities are included to make it a fun and interesting class.
GOOGLE SLIDES WITH PREMADE TEXTBOXES INCLUDED!
Overview:
Page 1-2: Introduction
Page 3-4: Geography
Page 5-6: The Mayans
Page 7-8: The Aztecs
Page 9-10: History
Page 11-14: Culture
Page 15-16: Lucha Libre & Day of the Dead
Page 17-18: Attractions
Page 19-20: Reflection
The answers and an answer sheet are included.
BONUS: Extra topics on the History of Mexico:
The Mexican War of Independence
The Mexican-American War
The Mexican Revolution
You might also like these worksheets:
Argentina
Cuba
United States
Spain
Brazil
Geography – North America
Ancient Civilizations
You can save money by purchasing bundles!
All units: 28 Country Studies
North American Country Studies
Mexico City, Chichen Itza, Temple of Kukulkan, Lucha Libre, Taco, Burrito, Mariachi, Mayans, Aztecs, Pinata, Cancun, Mayan Calendar, Hernan Cortes, Pyramid of the Sun, Tulum, Mexican Cuisine, Peso.
Let’s learn about Wildfires!
These NO PREP materials contain informative exercises about wildfires. Lots of puzzles and other fun activities are included to make it a fun class. The answers and an answer sheet are included.
GOOGLE SLIDES WITH PREMADE TEXTBOXES INCLUDED!
Overview:
Page 1-2: Introduction to wildfires
Page 3-4: Types of wildfires
Page 5: Dangerous wildfires in history
Page 6-7: Interesting facts
Page 8: How to survive a wildfire?
Page 9: Word Search
Page 10: Reflection
Extra: Natural Disaster Puzzles
You might also like these worksheets:
Blizzards
Earthquakes
Floods
Hurricanes
Landslides
Tornadoes
Tsunamis
Volcanic Eruptions
You can save money by purchasing the bundle!
Natural Disasters Bundle
Keywords:
Bush fire, forest fire, air drop, lightning, firefighter, fire, ground fire, surface fire, crown fire, spotting, California, Peshtigo Fire, fire tornado, fire triangle