unit 3 geography maps and directions power point
TRANSCRIPT
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Unit 3 GeographyMaps and Directions
Power Point
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Today we will learn…
• What is a map and how do we use them?
• What is a Compass Rose and how is it used?
• What does “to scale” mean?
• What does a cartographer do?
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A map is…
• an adventure
• a book
• a story…
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A map is also…
• a drawing or other representation, usually on a flat surface, of all or part of the earth's surface, ordinarily showing countries, bodies of water, cities, mountains, etc.
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Why are maps and knowing directions important? Why are
maps useful ?
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When do we use maps?
Let’s talk about it .
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Do you think they had a map of where they were going?
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There are many different types of maps. The maps that follow
tell us about …
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The Universe and the Milky Way Galaxy.
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Our Solar System.
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Planet Earth
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Our 7 continents.
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The continent of North America is where we live.
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We live in the United States.
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Our state is Idaho.
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Idaho Counties
School District 91’s Schools are in Bonneville County. It is shaped like a water gun.
• In the United States a county is a local level of government below the state.
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We live in Bonneville County in the town of Idaho Falls.
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Facts about Counties
• Idaho has 44 counties.• Counties are used in 48 of the 50 states,
while Louisiana is divided into parishes and Alaska into boroughs.
• Counties are usually governed by an elected board of supervisors, county commission, county council, or in some counties, there is a county mayor or a county executive.
• There is an average of 100,000 people in each county.
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A map of our town of Idaho Falls.
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Our school.
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Idaho Falls School District 91’s High Schools.
Skyline Idaho Falls
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Who makes maps ?
A cartographer does.
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Do people study maps as part of their job?
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Yes, the job is called cartography.• Cartography, or map-making, is the
study and, often, practice of crafting representations of the Earth.
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Studying maps can be fun !
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How do you learn to read a map?
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First get a map;next look for the compass rose; then read the “key” which tells you the scale of the map.
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A Compass Rose is used for telling directions on a map;
North, South, East and West.
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To remember my directions I like the saying…
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Never, Eat, Soggy, Waffles
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Never = North
Eat = East
Soggy = South
Waffles = West
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The world's largest compass rose is drawn on the desert floor at Edwards Air Force Base in the United States.
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These items are called a compass. They can also be used to tell directions.
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How is this compass rose and the compass alike and different?
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Tell me what direction goes where.
East
South
West
North
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What is scale ?
• There are many types of scales, but for maps it is something a little different.
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What is scale ?
• Many, but not all, maps are drawn to a scale expressed as a ratio such as 1:100 meaning that 1 of any unit of measurement on the map corresponds to 100 of that same unit in reality.
=
1 = 100, shown on a math key
1:100, shown on a map key
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Or
1 inch = 200 miles
1:200
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Why do cartographers use scales ? Let’s talk about it.
1 inch = 50 miles
1:50
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You have been working hard. Let’s have a break. Ha, Ha!
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Now, let’s check what we have learned today before we work on our own papers.
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Let’s make a match. Tell me which word goes with what
meaning.1. a drawing or
other representation, usually on a flat surface, it tells a story.
4. One who makes a map.
2. It is used for telling directions.
cartographermap Compass Rose
3. A ratio comparing that 1 of any unit of measurement on the map corresponds to 100 of that same unit in reality. (for example)
scale
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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Great job learning today. You are amazing! Now, you can practice what you have learned with your vocabulary matching cards, compass page and the
geography booklet.
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Websites Teacher information
• teachers.santee.k12.ca.us/.../activities.htm