Keywords Flashcards
greenhouse effect
the natural process by which the Earth’s atmosphere traps solar radiation, warming the earth to support life
enhanced greenhouse effect
process by which the increase in the amount of greenhouse gases in the Earth’s atmosphere is causing the Earth’s temperature to increase
atmosphere
layer of gases surrounding the Earth
solar radiation
energy from the sun
Carbon dioxide
a greenhouse gas released by burning fossil fuels (coal), cutting down and burning trees and making products, like cement
methane
greenhouse gas released by livestock, such as cows and sheep, landfills, producing natural gas and mining coal
Nitrous oxide
a greenhouse gas released by certain types of farming and by burning fossil fuels
water vapour
water in its gaseous state
forms part of the atmosphere
climate change
a change in global or regional climate patterns, especially due to an increase in the average atmospheric temperature
global warming
gradual increase in the Earth’s temperature as a result of the enhanced greenhouse effect
desertification
gradual process where fertile land becomes a desert
migration
movement of people or animals from one place to another
drought
a long period without rainfall
glacier
a slowly moving river of ice formed by compacted snow
permafrost
a thick layer of soil that remains constant throughout the year
social effect
something which affects communities or the way people live their lives
economic effect
something which affects money or a country’s ability to make money
environmental effect
something which affects plants , animals and ecosystems in an area
local actions
actions that can be taken within our homes and communities
national actions
actions taken across an entire country, usually by a government
international
actions which are taken by more than one country working together
carbon footprint
measurement of the greenhouse gases individuals produce, through burning fossil fuels
energy conservation
reducing energy consumption by using less energy and existing sources more efficiently
extreme weather
when a weather event is significantly different from the average from the average or usual weather pattern, and is especially severe or unseasonal
food insecurity
being without reliable access to enough affordable, nutritious food
fossil fuel
a natural fuel such as coal or gas, formed in the geological past from the remains of living organisms
geothermal energy
energy generated by heat stored deep in Earth
earthquake
sudden and violent period of ground shaking
what volcanoes are formed at constructive plate margins?
broad and flat shie`ld volcanoes
what volcanoes are formed at destructive margins (continental and oceanic plate)
steep-sided composite volcanoes
constructive plate margin
two plates moving apart from one another
destructive plate margin
two plates move toward one another
conservative plate margin
two plates are sliding alongside each other
volcano
large and often conical-shaped landform usually formed over a long period of time by a series of eruptions
magma is what above surface?
lava
tropical storm?
a fierce and destructive storm that occurs in Tropical areas
what is the difference between Typhoon, cyclones, and hurricanes?
nothing. they are the same, just called different things in diff. areas
weather hazard
natural weather event that threatens people or has the potential to cause damage, destruction and death
extreme weather
when a weather event is signifcantly different from the average or usual weather pattern, and is especially severe or unseasonal
natural disaster?
an unexpected or uncontrollable natural event that threatens people to an extreme level, causing huge amounts of damage and destrcution
monitoring ?
using scientific equipment to detect warning signs of events
predicition?
using historical evidence and monitoring to predict when and where a hazard may occur
protection?
designing buildings to withstand hazards
planning?
identifying and avoiding at-risk areas
