Inside Earth & Geologic Time
How old is the Earth?
About 4.5 billion years.
What is melted rock called when it reaches Earth's surface?
Lava
What do we call small pieces of rock, sand, and soil?
Sediment
What is the safest action to take during an earthquake if you are indoors?
Drop, cover and hold on
What is the name of the landform region containing the Rocky Mountains?
Western Cordillera
Which food does Ms.Wheaton compare the mantle to and why?
Peanut Butter Sandwich
What type of rock is Granite?
Igneous
What is the process of dropping or leaving sediment behind?
Deposition
Because of active plate boundaries, mountains, forests,
Which Canadian landform region is known for its ancient rocks and thousands of lakes?
Canadian Shield
Which period of time is the largest division of earth history?
Eon
What type of rock forms when existing rock is changed by heat and pressure?
Metamorphic
What are the 3 agents that shape the earth?
Wind, water, ice
What is the general trend of Natural Hazards over the past 20 years?
It is increasing steadily
Which landform is Canada's smallest but has most of its population?
Great Lakes, St. Lawrence Lowlands (GLSLL)
Which geologic era is known for the expansion of life onto land?
Paleozoic
What is the name of the divergent plate boundary in found south of Iceland that cuts through the Atlantic Ocean?
Mid-Atlantic Ridge
What is the name of the process when rock is broken down into smaller pieces?
Weathering
In which season are Canadian wildfires generally most active?
Summer (late spring, early fall as well)
Which two data sets does a Climate Graph use?
temperature and precipitation
What happens as you travel into the Earth?
Pressure and heat increases
What is the name of the two active plates off the coast of British Colombia?
Pacific and Juan de Fuca
Which type of landform is responsible for shaping most of Canada over 1000's of years
Glaciers
What is the name of the powerful windstorm that struck Ottawa in May 2022?
Derecho
Which LOWERN factor describes how mountains affect where precipitation falls?
Relief