Add to table of contents: Observe ActivityPg. 2 Data gatheringPg. 3 Branches of Geo.Pg. 4 Classroom mapPg. 5 Topographic mapPg. 6 Mapping Pg. 7.

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Presentation transcript:

Add to table of contents: Observe ActivityPg. 2 Data gatheringPg. 3 Branches of Geo.Pg. 4 Classroom mapPg. 5 Topographic mapPg. 6 Mapping Pg. 7

Maps – What is this for?

Know now???

Play this????

MappingPg. 7 Cartography- Remote sensing - the science of map making. Cartographers are scientists who make maps. They collect data from a lot of sources. —gathering and analyzing information about an object without physically touching it.

Satellite Image of Las Vegas

Parts of a map: 1. Compass directions 2. Legend(key)=explanation of symbols 3. Scale(the relationship between the distance on the map and the actual distance)

Types of maps: 1. Road maps -

2. Weather maps -

3. Satellite maps-

4. Geologic maps- rocks, faults and folds

5. Topographic Maps- show the surface shape(topography) of the land.

Topographic Maps- Isogram- Use lines called contour lines to connect areas of equal elevation(height above sea level). a line on a map that represents constant or equal values.

Contour interval- Relief- the difference in elevation between contour lines. the difference in elevation between the highest and lowest point on the map. lines pointing inward indicate a decrease in elevation=going down!

What is the contour interval? What is the relief?

Do topography lab and then answer the questions

1. Fill the box up to the 1 cm mark with colored water. 2. Put the lid on the box. 3. On the lid, draw the line created by the water touching the volcano. 4. Remove the lid. 5. Repeat for the 2cm, 3cm and all the other marks up to 7cm. 6. Copy the map you made on the model lid on your paper. Make sure you add elevation labels to each line and show depressions where appropriate. 7. Clean up- wipe off lid, dump water into the sink, rinse, then bring box to front cart.

On the back of your paper: Analysis Questions 1.What are the lines you drew called? 2.Using the cm numbers, what is the contour interval of this map? 3.What is the relief of this map? 4.As the slope on the volcano gets steeper, what happens to the distance between the contour lines? 5.What errors could your group have made in the construction of your contour map?