Gr 9 Exam Flashcards
(34 cards)
Latitude
Imaginary lines that run east to west and are parallel to each other
Longitude
Imaginary lines that run north to south and meet at the poles
Equator
A line of latitude that runs at an equal distance between the two poles
Grid system
A group of crisscrossed bars labeled with letters or numbers used to identify the location of places or objects within the grid
ELEMENTS OF A MAP
title
Helps to focus the audience’s attention on the purpose of the map. Simple and clearly stated
ELEMENTS OF A MAP
Legend
Describes all unique or unknown symbols on a map
ELEMENTS OF A MAP
Compass
Helps to orient the viewer with the area portrayed on the map
ELEMENTS OF A MAP
Scale
Compares the distance on the map compared to the earth’s surface
What is weather
The day to day conditions in the earth’s atmosphere
What is climate
The average weather conditions of a certain area over a long period of time
Aquatic ecosystems
Based mostly in water ( oceans, ponds)
Terrestrial ecosystems
Based mostly on land ( forests, deserts)
How has climate affected aquatic ecosystems
Melting sea ice sheets ( bc. Of warmer oceans which also causes a rise in sea level)
Warmer oceans ( coral reefs dying and ocean currents)
How has climate affected terrestrial ecosystems
New deserts ( rainfall declining and
Rising temperatures )
Changing organisms ( not able to adapt)
How have glaciers changed the landscape around us and in the Muskoka’s
The glaciers peeled of the soil and pushed it to southern Ontario. Only rock remains and poor soil. Here in southern Ontario, we have the good soil that was pushed toward us
Renewable resources
Resources that can be regenerated by the earth if used carefully
EXAMPLES OF:
Renewable resources
Soil fish trees
EXAMPLES OF:
Non renewable resources
Fossil fuels ( oil gas) and minerals ( gold diamond)
EXAMPLES OF:
Natural resources
Trees fish minerals metals
Intensive farming
Small farms with quality vegetables and crops with some cattle. Employs many people and has a high profit for its size
Extensive farming
Very large farms with crops that “grow on their own”. Main focus on livestock and doesn’t employ many people. Low profit for its size
Food miles
The distance our food travels
Food security
How safe and accessible our food is
Food miles in winter
More because you have to get the food from farther away where they can grow it